A little history...

During development, asyncio was called tulip. A quick search turns up this talk by Guido:

https://www.youtube.com/watch?v=aurOB4qYuFM

I seem to recall that Guido was in touch with the author of Twisted at the time, so design ideas from that project may have helped shape asyncio.

https://twisted.org/

Before asyncio, Python had asyncore, a minimal event loop/callback module. I think it was was introduced in Python 1.5.2, and remained part of the standard library until 3.12.

https://docs.python.org/3.11/library/asyncore.html

https://docs.python.org/3.11/library/asynchat.html

asyncore actually worked well, unlike asyncio

so of course in their infinite wisdom, they removed it