http://bravenewcoin.com/news/30-top-banks-and-mike-hearn-hav...
Read the article, he was clearly laying the groundwork for this move back in Thanksgiving.
“The current Bitcoin system, I mean the system we actually use today with the block chain, isn't going to change the world at all due to the 1mb limit. … So if I have a choice between helping the existing financial system build something better than what they have today that resembles Bitcoin, or helping the Bitcoin community build something worse than what they have today that resembles banking, then I may as well go where the users are and work with the banks."