Well, yeah, it would. And it does. Still, it's just like any other number representation.
Still, you could abuse that quirk, and use that value for error checking purposes. Or something.
And, even though it's some sort of standard, noone's telling you what numeric representation you have to use. I mean, when you deal with any kind of computer, you don't care how it adds 2 and 3 together, as long as the result is 5. What matters is that it should be as fast as possible.