Mike has deep associations with a company called Google, a company that has deep ties to the US Government.
Gavin himself was accepted to present Bitcoin to the CIA early in its history.
These two men are divorcing from the main project to create a project they will likely majorly control, with these governmental connections likely used as fuel.
Does your vision of Bitcoin involve deep cooperation with the US Government?
Disinformation.
Even if people upgraded to XT, hearn wouldn't have more control than any other devs.
The code is opensource. Normally, Devs can only propose ways, and the community can decide what turn to take.
Currently most posts and comments that go against Blockstream/Core devs are being censored on forums owned by theymos.
I think the sole reason behind the creation of Blockstream was to control bitcoin development.