If eliminating signal from malicious, remote actors is more valuable than preserving signal from rural areas, which may very well be the case depending on the application, then adopting this might solve a real problem for you.

I don't see anything terribly idiotic in that.

edit: to be clear I think this is likely one of those solutions that creates more problems than it solves. There's a gulf of sympathy separating that from "idiocy," however.