Earlier quoted context omitted.
I don't understand why do banks often have autocomplete=off. (At least my bank does.) What is the reasoning? Luckily, LastPass ignores that.
to prevent login and password from being automatically filled, so someone using your OS user or browser user can't login to your bank account.
True. I actually forgot people let other people use their computers. (And I really mean it, I just didn't realize it.)