I think following social norms is often (but not always) a "good reason" for doing something. It's a tricky line of analysis. I've been leaning heavily towards

I think following social norms is often (but not always) a "good reason" for doing something. It's a tricky line of analysis. I've been leaning heavily towards the idea the "usefulness", broadly interpreted, is utterly paramount -- even in the world of abstract philosophy. It is perhaps second only to truth, but it is much easier to evaluate, and often an incredibly good proxy for truth anyways.