I agree. I don't think the aeroplanes will ever been able to achieve lift. I'm skeptical of anyone who attempts anything that hasn't been done before.
https://chem.tufts.edu/answersinscience/relativityofwrong.ht...
It's also reasonable to assume that more and more extreme physics is going to be harder and harder (if not practically impossible for any future humans) to come up with new gee-whiz uses.