[brokenkebab]

Doesn't it sound similar to "Prove that I cannot win a billion!" from someone who spends money in casino?

[Symmetry]

There's a big difference between telling someone they aren't going to win in the casino and telling them they have "zero chance" of winning. The later is false and is probably an ineffective argument because it's obviously false.

[SketchySeaBeast]

Yes, they should have said "roughly zero chance", which is true. They were just rounding down.