bluematt's position is ludicrous. Here is a large contingent which obviously against unqualified adoption of segwit, yet he advocates that unqualified adoption of segwit represents consensus. Autism much?
Here's what he has to say in the aftermath -
https://www.reddit.com/r/Bitcoin/comments/6cx2d5/core_dev_matt_corallo_blasts_the_compromise/dhy7ja5/It looks like he felt he was there to do nothing other than rubber stamp whatever they felt like coming up with. Still, he could've attended, upended a few tables and forced them to come up with something better.