There are times, places, and decisions where checking your privilege is important, and whether or not you do so has a real impact on the world and the lives of others. Your choice of leisure time reading material is not one of them, nor is what you ship.

Policing other people's choice of shipping and reading – including the non-cis, non-het, non-white women who like things you don't like – actually does. Probably minimal, in the scheme of things, but there, which is more than can be said about any supposed harm done by a teenage girl spending two hours writing a sparkly Reylo romance.