Your roles as Mod and as Poster are two separate niches that should be compartmentalized. You apparently haven't learned to compartmentalize those distinct roles. Have you ever been a moderator of a public board before?

It seems the "tiresome" posts are not the ones that repeat, Buy more. The 'tiresome posts,' by your definition, that you delete are invariably the ones that challenge the status quo with information contrary to your expectations. Another poster may angrily challenge these views. but it's not fair as a mod to delete them.