Isn’t it enough to just enter your password once to login, then receive a warning whenever you’re about to do something potentially dangerous?
If it’s such a big security risk, how come the most popular and widely used operating systems in the world and their users seem to be unaffected by it?
I guarantee, most new users coming to Linux from Windows/macOS are going to laugh and look at you funny if you try to justify entering your password again and again and again.
Take a pill there… How would you like them to learn? By running some command with sudo that they don’t understand and blowing away their system? Because that’s what can happen if you don’t understand what you are doing. It’s not gatekeeping, it’s being realistic with what can be done when you are playing around with things like sudo.