That's true. “I don't really understand national politics in any deep way,” is something I've said many times and has been responded to often with “me neither”,

That's true. “I don't really understand national politics in any deep way,” is something I've said many times and has been responded to often with “me neither”, but I'm quite sure had I not said it, the person would've kept quiet about their ignorance and feigned insight in other conversations.