Hello all, thanks for the comments and the feedback!

After publishing the article, I have also taken a dip in Matrix and I'm considering this choice too. Of course, federation/interoperability is the way to go in the future.

In general, I'm not the person that cares 100% about privacy. I mean, I can give up some privacy to get better features. But, I care about choice and I care about freedom of choosing how much privacy I want to give up.

That's the main point I tried to address, and how I am not free to choose given that my contacts use Messenger, and I can't persuade them easily to move away from it.