Why not let people have their own worldviews? Don't you believe the benefits of self-organized communities far outweigh the downsides? I'd much rather have 10

Why not let people have their own worldviews? Don't you believe the benefits of self-organized communities far outweigh the downsides? I'd much rather have 10 000 different communities who don't agree on anything, than have a strong hegemonic culture stepping on every disagreeing voice, as we currently have in most countries.