This sounds like the bean base for a taco pizza. Not sure how wide spread it is, but where i am from in the Midwest it is pretty popular. Pizza Hut has a Taco Bean and a Taco Beef Pizza. Add cheddar cheese, pop it in the oven, after it's done baking, add lettuce, more cheddar cheese, tomatoes, chushed up Doritos, and some sour cream. So good.

Pizza with Hollandaise for me. Works until it starts to cool.

As a topping? I've done this and agree, but it's important to get the bean dip spread evenly on the crust.

Maybe I'm also crazy, but that sounds kind of good....