You seem to want every single reason to dislike anything Google has ever helped to make, rather than doing actual research into what some of these things are.
Re:Tell HN: Google Intercepting SMS
by IshKebab on Sunday August 21, 2022 @05:03PM
(#32544414)
It's an open protocol but it's not an open system, just like SMS. You can't just set up your own RCS provider like you can with the web, email, IRC, etc. So it's at least a little misleading to call it "open".
You seem to want every single reason to dislike anything Google has ever helped to make, rather than doing actual research into what some of these things are.