[shmerl]

> Those are the majority, and if we want them to use Free and Open systems (which is my whole point here), then we have to create those systems in a way normal people will start switching from the closed systems

It's trickier than that. There are many open and federated XMPP services around, including those with web clients / interfaces available. Options are around. It's the sabotage of federation by "big" players which is a problem (or sabotage of interoperable protocols altogether).