The left needs space

And those exist...

You want a space

One centralized location where everyone is, and no one is allowed to do any moderation.

That will never happen, because no one wants to hang out with a bunch of Nazis and bigots, and that is going to be the one group who will abso fucking lutely show up in droves to a social media website with zero moderation and a leftist lean.

If you legitimately still don't understand any of this, you're gonna have to ask someone else for more help.