But it is not safe to make that assumption. It’s wildly dangerous to label evil as stupid. Giving evil people an in is how we get to where we are.
I was just explaining to the commenter above what was meant by the saying. I never said it was correct in all situations.
If you have an issue with the saying, you’re free to give Robert j. Halon your feedback.
It’s called Hanlon’s razor, a take on Occam’s razor, the unstated part is “all else being equal”.