Exactly,
Snapefan21! I think the same, because I love the Puppet Pals, for example, and, well, some puns and quotes alterations can be fun; I'd even (sorry) consider funny to see an icon with Voldemort playing with a Barbie, but c'mon, you know when the thing is not offensive and when it got mean. On the other side, there's no need to be anti-Potter to mock of characters; an obvious example is all the people (generally different shippers) who make fun of Ron, and you know that
that is mean. Comparing what you say (and agreeing, not offending!), I love when Ron appears in the Puppet Pals even when he looks a bit dummie, or the avatar of Follow the Butterflies, but it's such a pain to read people making really a joke of him; I bet you'd feel the same if you read "Oh yeah, Snape a hero, sure".

Particularly, I'm more annoyed with those people than with people who has never read HP and try to make fun of something they have no idea about.