That won't work, you know that. It will not be counted for bounties, people will not follow that rule, the amount of work for mods would skyrocket.
No. I don't see a better solution than everybody handling it for himself (hint: ignore user

)
I know, just daydreaming with pink glasses

Ignoring will work on mental level, but at least I cannot ignore them with forum software. There are hundreds of shitposters, it would fill my day just clicking them to oblivion. I should be trading or investigating new coins, not clickety click ignoring users
