"For the risk estimate per se" "The rationality and intelligence are not precisely same thing." "To clarify, the justice is not about the beliefs held by the person." "The honesty is elusive matter, "

Characteristic misuse of "the."

"You can choose any place better than average - physicsforums, gamedev.net, stackexchange, arstechnica observatory,"

Favorite forums from other accounts.

It certainly does sound like him, although I didn't notice any of his most obvious tells like ghmm or obsession with complexity of updating Bayesian networks.

He did open by criticising many worlds and in subsequent posts had an anti LW and SIAI chip on his shoulder that couldn't plausibly have been developed in the time from the account had existed.