I say, use the report button all you want. It gives mods something to do. And you will get the opportunity to see how they react to your actions. Consider it a science experiment, where one gets to see how far one has to go to get banned. It is like smoking in a theater:
"A wise man ... proportions his belief to the evidence."
— David Hume, An Enquiry Concerning Human Understanding, Section X, Part I.