In my opinion, Einstein's theories were much more profound and revolutionary than Newton's ideas. Also, Einstein seems to be much more mentally stable and "normal".
The fact that calculus was independently invented by two scientists simultaneously just confirms that it was a natural progression of the mathematical ideas published just a few years earlier.
I think with stackful coroutines you lose low-overhead interoperability with C. Also, it possible to use stackless coroutines without introducing async/await 'colors'.