Guano is considered to be A CLEAR AND PRESENT DANGER. Why don't we isolate him in some dungeon or tower to protect us from him and his ilk?

Isolate them too.

GUANO'S DAY ARE NUMBERED. SO ARE THOSE who believe him and support him. They are all clear and present dangers. Treasonous traitors. Nutjob crackpots.

Nothing worth anything there. Discard. Round can them.