Snapedom

Of course James Potter and his ilk were racist and classist too. They were allowed to be and got pats on the back for it. So what he married Lily Evans he wouldn't be the first to hold racist ideas and make a couple of exceptions(yes people can be that screwed up) John Wayne comes to mind as an example of that in real life.

As many have said the wizarding world wanted to get rid of Voldie, but had no interest in changing the status quo

What I find interesting about Rowling is that she uses a very old stereotype that the real evil is not from the pure-bloods but the half-bloods(tainted blood).She makes Tom Riddle a sociopath and Severus Snape untrustworthy(through most of the series). On the side of light she makes Lupin a coward, Hagrid an idiot who don't question the so-called light's agenda and how they fit into it. Dobby the only free elf kisses the ass of ole massa. Harry who revels in being ignorant. Lily who marries a racist and embraces a culture which has no place for her muggle relatives, Hermoine the same thing. All revering on some level the great white pure-blood father Dumbledore. Rowling does not even examine what type of self-loathing would go into embracing a pure-blood agenda by one who is not, a major failing, but I guess Rowling did not expect anyone to examine her text that closely.