Potentially as good as Google without the surveillance isn’t worth $50/yr?
Also as a now-daily kagi user, I don’t know what sort of evidence you’re looking for. I search, the hits are good.
You can just try it for free and not wait around for others to write a report for you. They give you 100 searches.
I have. Like I said, the results were the same or worse than DDG and Google. It was not noticeably better in any way, certainly not something I want to pay $50 for.