Was your blog in English, though?
If you take Internet access...
....and cross reference against English speakers...
...then I think that's enough explanation, no?
Hey, if you're getting death threats in PMs please reach out directly to admins. That is not something we tolerate. I am not sure what options like IP bans exist or will exist. We don't want anybody to be harassed.
So as @PP44 is saying, it's open source. The devs work to make sure that anyone can set it up straightforwardly to run with their own modifications, not just the main version -- and that means modifying the slur filter is also supposed to be straightforward, even though it's not encouraged. There isn't actual moderation on the whole platform per se, since two instances can federate even if one has no slur filter. There are lots of "points" to federated stuff, though, so the existence of a slur filter works well to help keep Lemmy from attracting the cesspool-types while still enjoying those other benefits.
