Read this for example. The author is Korean pro.
"The upside is that we sometimes see a player who was somewhat past his prime suddenly climb back to the top, having trained with AI more intensely. There are a growing number of young and new pros who demonstrate surprising strength. This change gives hope to all pros who dream to become number one, and also makes competitions more interesting to fans as well." [0]
There are serious downsides too.
Also [1]
[0] https://hajinlee.medium.com/impact-of-go-ai-on-the-professio...
[1] https://www.newscientist.com/article/2364137-humans-have-imp...
Hear me out - what if we learned something about creating AI by creating a new AI?
A rising tide floats all ships – if the best in the world becomes better, others can look at the best and learn from it. What difference does it make if the best player is an AI or a human? The better moves and strategies are still better moves and strategies.