That's an interesting idea. Unfortunately it looks like you can comply with all the rules in his banks section by having an 8-digit password, which is convenie

That's an interesting idea. Unfortunately it looks like you can comply with all the rules in his banks section by having an 8-digit password, which is conveniently the number of digits in a birth date. So presumably they don't currently optimise for mutual incompatibility. Quick, file a patent. :)