> What baffles me is why people use a centralised messenger to organise a protest?

Because it works and because real world is not theoretical.

> And what do you imply 'funded by the government' means for Signal?

I'm not implying anything. I just listed the reasons why Durov doesn't trust state funded american encryption systems.

> unknown funding sources

What do you mean unknown? They're pretty known.

> no information about what's going on on the server

All server side code is unverifiable. In fact, Signal itself was running a totally different codebase than what it made public, for a whole year.