To be fair, on the pure logic side (forgetting about what the link is really about, i.e. selling scams), it is true that any ∀ ∃ can be turned into a ∃ ∀. It's

To be fair, on the pure logic side (forgetting about what the link is really about, i.e. selling scams), it is true that any ∀ ∃ can be turned into a ∃ ∀. It's called skolemization.