I think it's a perception of cats from people who have never owned one and only grew up with a dog, and were brought up to not like cats. These kinds of dog pe

I think it's a perception of cats from people who have never owned one and only grew up with a dog, and were brought up to not like cats. These kinds of dog people tend to associate with the traits in their dogs they like or wish about themselves. I think they then associate cat owners with cat traits (particularly negative ones).