"I am an equal opportunities employee"

Not really a statement that screams "hire me", is it? Yet some employers get away with writing the equivalent thing on job advertisements, which has got to be a candidate for 'Most Meaningless Statement of the Year'.

Does it mean they follow a quota system? That they hire lesser candidates just because of their background, to get their staff ratio back on track? Is that equal? Don't get me wrong; I'm all for equality and whatnot, it's just that the insinuations of such an overt statement are puzzling: Does it mean that every employer who doesn't proudly proclaim their merits in this department are, ipso facto, guilty of unequal hiring practices? Is their silence an admission of guilt? Conversely, does saying it act as surety against a lawsuit; is it effectively a license to practice the most repugnant nepotism?
Ultimately, I suppose, I would prefer to believe it is exactly what it says on the tin; and that they won't discriminate against me for being lazy.