The FCC does not do any kind of active monitoring or patroling or trying to catch anybody, they do not function like a poiice agency. If they want to bust somebody they must call the local police themselves.
The rules are for deciding if they can punish you AFTER they investigate you. Something has to provoke them to investigate you, which means somebody must file a complaint.
The important topic to me is how to avoid a complaint. What causes complaints :
-- you are getting out all over town and people notice you, especially commercial broadcasters
--you are interfering with another signal somebody else cares about
-- your signal is getting into other electronic equipment like your neighbors stereo speakers or wired telephone.
--somebody sees your antenna and doesn't like it being there, especially a problem with home owners associations.
-- you are putting out some kind of content that somebody doesn't like, such as politics or curse words.
you could think of more I'm sure.