He can be had a lot of good things in the past, but this not ensuring that he has crazy idea right now. Think about Luc Montagner: he was a Nobel prize scientist, but his position about vaccines and COVID was crazy.

And if he want to exit from Euro, he and the parties that supporting him, they must say it explicitly in front of the Italians, instead that be foggy about the topic and prepare hidden plans to be implemented overnight.