I like the theory that the reason people like feet is because the area of the brain that controls your feet is close to the area that makes you feel things and in some people the “wires” can cross:

https://www.audacy.com/987thespot/latest/biologist-explains-why-some-people-have-foot-fetishes

I had the same issue until I discovered MTailor. It’s all I wear now. A bit more expensive but totally worth it.