Yes. But I apparently didn't make the point I wanted to. If you set your phone to delete everything when you scan your fingerprint, is that a crime? No password need be provided. You cannot avoid giving them your fingerprint to unlock a phone, already established in the US as a legal rule.

I'm sure they will claim its a crime if you set it up that way, but is it?

They can already legally compel you to provide your fingerprint. You can't avoid that, you'll get put in jail. Do you have to tell them "don't do that with my phone, it will reset everything if you do that".