No offense, but you’re argument reveals that you’re thinking of all this fedi stuff as a service provided to you, like Facebook or reddit.
It is not. It is people like you and me creating and taking part in them.
These tools are BRAND NEW. It is likely the creators of one didn’t know about the other(s) at that time. This is US doing all this for US not a corporation making tools to suck people in to advertise to.
Not gonna crit you further. You probably don’t remember the internet before the corps ruined it.