Dogshot, thanks for your response.
Actually I was watching the video for the same reason as you. Being a silvia user myself and knowing that I always need to improve my skill, I thought it would be very informative.
However the things I notice just surprised me. I figured that almost any shot Kyle would make (and would be shown of video) would have been at least OK. What surprised me, as I mentioned, was the look on Mark's face both when he drank the shot Kyle previously sample, and at the last frame of the video.
Though, what surprised me most was his method of using a siphon pot (Something I really did not expect in the video as I thought it was entirely a espresso video). Siphon has been a method I have learned and used for the past 10 year in Taiwan (one country which has never stopped using this method to make coffee, and is one of the main produces of siphon pots (besides Japan)). I was taught by different shop owners during this time as I have found better shops, who have been using siphons to produce coffee as far back as they can remember (2 of them are in their late 70s, and one is in his 50s) so I trusted their experience. Their methods are all very similar, though fineness of grind varies a little as does preferred roasting level.
During the video Kyle mentioned he was using a 5 cup siphon and he liked to steep it for 45 seconds. Why this surprised me, as mentioned, is that is the common thought of time for smaller cup siphon with a fine grind (see COFFEE-GEEK
http://www.coffeegeek.com/guides/siphoncoffee where Mark states he steeps for 70 to 75 seconds with a lower flame for a 2 Cup Yama, but later posts in the Forum he says he has adapted his method to use a finer grind and slightly shorter steep time)
How long should you brew for? It's personal preference - the longer the brew, the stronger (and more bitter) the coffee will be. I like to give 2 and 3 cup siphon coffee makers about 70 seconds of full infusion time - 70 seconds after the last of the water "travelled north" up the siphon tube, I remove the heat source completely. For 5 cup models, a bit longer is good - probably 90-120 seconds (up to 2 minutes). And for 8 and 10 cup models, I give about a full 3 minute infusion time, depending on how controllable the heat source is.
- From the same article.
I would agree with you that it was an "assumption to guess that the shot was bad" - I was just using what I saw. The extraction time and volume seemed good though the color a little light (as Kyle mentioned.) Though the look on Mark's face was what would make it look bad. It could have been great. Not being there, not seeing everything that happened and not trying the espresso myself, I have no way of really knowing. I was not finding fault in him or his method, but rather surprised by Mark. His methods, which were rather amazing for a machine, if as the video showed, he only watched someone brew on and then prepared on shot himself, adjusting both the grind and temperature and getting it that close to great. I know it is not something I have the skill to do.
Though, to say that it was "another assumption that Kyle intended to vacuum-brew exactly the way it came out", I need to disagree. (though not in an aggressive way.

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He said he was using a 5 cup siphon, he outline his method, and he stated his steeping time. He stated that it was "becoming one of my favorite ways to make coffee" - implying that he has done it many times before. Based on that, it would imply that this is his "normal way of making siphon coffee". From that I was simply commenting on his method, the method he both followed and said he followed. No different then how other members comment on other members methods of tamping, leveling, and brewing espresso.
Though he is a Us Barista Champion, it doesn't mean that what he says or does it always the best. Even his methods will change or be tweaked with time (as do all of ours). I respect his skill and his performance, and know in many areas I could learn a great deal from him. But, I do not have a problem with commenting on his methods and i do not feel this is finding "faults" in him. I meant nothing negative to Kyle personally in my post, but just commented on what I saw and what surprised me. Contradicting what I have been taught and told by others.
PS - I was not offended, nor do I hope you were. One of the terrible things of forums is people seem to get offended too easily by comments of others they do not know. We use our own bias to assume an implied tone by the way people write and become offended by it, when it is often the case that no offence was intended nor should be intended. we are simply strangers who say things based on our points of view. In a normal face to face conversation we have visual cues, intonation and tone to react to. In a type post we only have words, and the way words are used differs from people to people.
No comment or writing I would ever put on a forum would be done so to cause offence to someone else I do not know. So if after reading my post, you feel I have, please stop, and realize it is not intended and then read my post again imagining it in a positive (or at least neutral way)