Yes, the maxim is overly broad. It is the nature of maxims.
EDIT: I understand where I erred now. In quoting EY, I accidentally claimed more than I thought I was. It’s clear to me now that the above factors into two values: minimizing personal delusion, and minimizing other people’s delusions. I hold the former, and I’m not as picky about the latter. (E.g., I have no problem refraining from going around disabusing people of their theism.)
I’m concerned that having done this was an ad-hoc justification after reading your laundry list of counter-examples, but I can’t unread them, so...
Yes, the maxim is overly broad. It is the nature of maxims.
EDIT: I understand where I erred now. In quoting EY, I accidentally claimed more than I thought I was. It’s clear to me now that the above factors into two values: minimizing personal delusion, and minimizing other people’s delusions. I hold the former, and I’m not as picky about the latter. (E.g., I have no problem refraining from going around disabusing people of their theism.)
I’m concerned that having done this was an ad-hoc justification after reading your laundry list of counter-examples, but I can’t unread them, so...