To say 'Allah doesn't want to put you to difficulties' is palpably, even laughably, untrue.

But surely, if it says it in the Qur'an (and I've no particular reason to doubt the page I linked to), then that's that? I really don't understand. But as I said I'm no expert on such things.

I do know that not drinking any water in such circumstances is an insane thing to do though.