Yeah it’s one of the thing I liked about Reddit. This everything goes mentality.
I think the problem is that many lemmy servers are based in Germany and despite their open reputation they do have some sub-communities that are very regimental and strict due to their calvinist heritage. We have the same stuff in Holland unfortunately. Some people are super open, but other communities are extremely strict and religious.
The way they deal with it is different though. Germans try to pave over these differences by blocking anything anyone could find offensive. I think this is what promts these blocks. In Holland we just don’t care and are more belligerent against the more conservative groups. Which I like.
I was on this really great cyberpunk / LGBT instance called DATATERM.digital. It was even advertised on the joinlemmy page. However it disappeared without a trace and there is no word on it ever coming back :( I haven’t found another one where I felt at home.