So it's just about charging $30-35 more for the same "unlimited" service. I don't understand how that's not false advertising when taking into account the real

So it's just about charging $30-35 more for the same "unlimited" service. I don't understand how that's not false advertising when taking into account the real definition of "unlimited" and the fact that you have to read some obscure FAQ / TOS to find out that "unlimited" is not "unlimited."