> Then maybe there can be a system that provides a disclaimer where they waive all ability to sue or otherwise get into a fight with you.
This ain't gonna help though, because it's not particularly useful at preventing the damage that these companies are afraid of, so it's not really going to tilt the existing balance.
Perhaps companies are just behaving too conservatively, and there is room for interviewing platforms to improving the hiring process by giving the helpful feedback that applicants crave.
Here in Texas, at least, that sort of thing does not seem like something that would ever be a real legal risk. This is a right-to-work state; I figured it’s pretty hard to get sued here.
The advice you will get on HR side is because no binding arb. agreement is in place you are exposed to full litigation efforts including attorney fees.
These can involve disparate effect or implicit bias - which can be difficult to defend against.