By your logic, there are only two kinds of chess (or any game) players: those who win every game they play, and those that don't.
Unfortunately, the real world isn't so black and white. The resources someone will put into hacking your site depends on their perceived value of success, and if someone with enough resources values it enough, they will hack your site, no matter what you do.
Anyone who claims to have constructed an unhackable internet service has either constructed a trivial and useless service, or doesn't understand the complexity of software.
Unfortunately, the real world isn't so black and white. The resources someone will put into hacking your site depends on their perceived value of success, and if someone with enough resources values it enough, they will hack your site, no matter what you do.
Anyone who claims to have constructed an unhackable internet service has either constructed a trivial and useless service, or doesn't understand the complexity of software.