Reminds me of the Cambrian revolution: suddenly there were all kinds of weird animals. Many of these kinds rapidly disappeared, while a few more successful ones kept on. Or at least that's my reading.
For more reading: https://en.wikipedia.org/wiki/Cambrian_explosion
Look at 1950s aircraft. That was the decade of really weird aircraft, as people figured out how jets were supposed to work. Supersonics. VTOL aircraft. The X-planes. Rocket-assisted takeoff. After that, more was known about what worked, and designs became more similar.