"When asked if I was a dog person or cat person, I said I was definitely a dog person and “I respect cats, but they are generally @$$holes.”

Interviewer had given me a tour of the facility earlier and interacted with some employees with f-bombs and telling one to stop watching porn on company laptops.

I misread that to think it was okay to be more casual in the interview. Calling cats @$$sholes was mentioned in the rejection letter."