basically he tweeted supporting an always-online (online-required, basically) video game console, then went totally elitist on people who complained about wanting to play their xbox even when the internet goes down.
then he turned off his linkedin and twitter accounts, so much for always-on lol.
the other guy in the twitter conversation, manveer heir, works for bioware.
then on reddit an ex-coworker of adam came out and said something too.
details in the link Microsoft Studios' creative director has some choice words about always-online - NeoGAF