Not to be confused with The Right Stuff.
Experimental Aircraft are still quite good. Technology evolves, standing on the shoulders of those who have gone before if you will. While Electric planes have limitations and the occasional dabbling of the mad scientist, they are positively space age when compared to these:
What would you least want to be around when it was fired up for the first time? Flapping Wing Thing; Demon Combine, Bouncing Umbrella or Rocketman?
We’ve come a very long way.