Una, unfortunately, could imagine just such a universe all too easily, implausible though it was. She sniggered a little, but otherwise let it lie.

"Dear me. Well, clearly your argument must have persuaded him, since he's allied himself with you. And I expect we would have all noticed a Tyrannosaurus being tossed across the park into a ... well, into the lake, I expect." Although that would have been really funny to see.