Bluesky is really lagging in user adoption because the name itself implies some sort of political divide, and from experience, it seems that it's an echo chamber where "right" activists are getting demolished at the first occasion, I wished it would have a mix of people and opinion.

Wcyd? It was the name that Dorsey chose before the PBC was even formed. It's from the technical term of art, like greenfield.

I'm guessing that's because blue means left wing in the USA and red means right wing.

Why did you switch them around? Red always meant left wing. Even in the US red meant the Soviets. It's just confusing to everyone else.