I sure hope it's not that normalized. I'm thinking it could have been a defense mechanism for themselves because they either don't want to visit the subject due to their own trauma or they just don't want to talk about horrible things. Or they are just self involved and don't care about other people and wanted to keep focus on them.
There's a lot of reasons beyond just being normalized so it's hard to say.
Also, I am sorry that someone victimized you like that. They are the monster, this does not reflect poorly on you.