Well, the browser already is a chat client for millions of people. It's called Facebook. So since the browser already is the only chat client tons of people use, why not make it a client for a Free/Open chat system instead of Facebooks chat system, that they control, censor, give access to to NSA, etc.
> Remove their like-buttons from your pages!
I agree we should do this. But that won't help people keep in contact with their friends. And so it won't change the thing I'm focusing on here.