I use all stainless steel now too. When I first got a stainless steel frying pan (a good thick one with some kind of impressive layering system that I’ve long forgotten about) I just assumed that things would stick to it, but I’ve never had any problems that didn’t come off with at most a basic sponge and moderate effort. Mostly food just rinses right off. I’ve had that pan for something like 15 years now. As far as I can tell, non-stick is just a ploy to get people to keep buying new pans as it wears off.