Very good point. Counter could be that before the cliff, the lemmings cross a field full of paper and string that one of them randomly happens to get wrapped up into a paper plane and harness!
I’m picturing and hearing the Aladdin Genie explaining the sign: If you need to pee you can go here, here, here,….here, ANYWHERE!!! (I miss Robin Williams)
Why bother traveling through time if you’re still stuck on this planet? We already have space travel and, to take heed of Monty Python, we may be better off praying “that there’s intelligent life somewhere out in space, Cause there’s bugger all down here on Earth!”
Batman Begins Bruce Wayne would like a word with you.