Sometimes when we need to prune a thread (in order to keep it open), we will have to delete not only the problematic posts, but also replies to those posts (since otherwise the problematic poster will still see their replies and feel like they need to reply again). We can't notify every single poster when we do this, because it could be a dozen different people, depending upon the thread.

If your post and only your post was removed, generally you will receive a notice within 48 hours of why that happened. Generally, it is because it violated one of the community guidelines (which involve a lot more than cursing, attacks, and crudeness).

But yes, we're not perfect, and sometimes this notice doesn't get sent. We try our best to be consistent, though.