That still didn't help me understand his concerns. It's just a rant. However he links to something a little more coherent.

https://www.techdirt.com/2022/06/29/california-legislators-s...

Yeah, the OP article is trash but the analysis has valid concerns. It seems to boil down to:

There’s lots of very vague language in the bill that we’re going to need to wait for the agency to actually define in regulation. The article authors would rather the law more clearly define things to keep the agency from overreaching.