"Don't put your password into the website that you shouldn't and put it only to website that you should" is a circular advice. It's like those 2FA SMS that say

"Don't put your password into the website that you shouldn't and put it only to website that you should" is a circular advice. It's like those 2FA SMS that say "don't tell this token to anyone!" while you literally share it with the website that you login to. I am always so frustrated when I receive those