@renchap @jerry @girlintech seconding this. There are hashtags I check regularly due to them being associated with bad content. However if I had blocked them entirely I would've been worse off because I would've missed IFTAS posts about how to protect against that content and users discussing which servers I need to block
Word filters are a poor substitute for moderation, particularly while Mastodon doesn't yet support a "filtered" state for posts where they're visible to mods but not users