The distinction seems akin to freedom fighter vs. terrorist. If you're arguing in favor of improving the community, it's curation; if you just got shadowbanned, it's censorship. But it's the rules themselves that are at issue, not the mods enforcing them. Since the issue is further restricting discourse on reddit and I am opposed, I use the word censorship.

(I'll add that when it ventures into the realm of truly offensive behavior that can hardly be classified as content, the pro-restrictions term might start to become "justified censorship")