It's simply a group of like-minded and curious individuals. Your participation in the conversation can simply be limited to the quality of the food

I think you could liken it to a visit to a nude beach....all sorts of uncomfortable. Then you see that most people are simply there to enjoy the sun and the surf and nobody is being judgmental about anybody else.

I suspect many that are into kink don't delve too deeply into the why of it. Whatever your thing is, then do it if it makes you happy. But that's just my opinion.