Then they better than anyone should know and accept that what they're writing just isn't going to be balanced with shipping fics.

And frankly, no one's a mindreader on an anonymous thread, so any feeling of being patronized are on your end. All I can tell you is that if I'd seen as many people writing Genfic (or whatever else they complain about there not being enough of "and it's all something else's fault!") as I've seen complaining, I'd have seen a hell of a lot more fic.