Earlier quoted context omitted.
I've been using Kagi[1] in private beta; they plan to launch a subscription model very soon. I hope it works out. [1] https://kagi.com/faq
I just searched "how to fix a flat tire" on both Google and Kagi and got pretty similar results. Different in display but no .edu links in sight.
https://www.goodyear.com/en-US/learn/tire-care-maintenance/h...
On Kagi you have to go until the 10th result to get something from Bridgestone, which explains the same thing while being less aggressive about selling tires:
https://www.bridgestonetire.com/learn/maintenance/how-to-cha...
So the trade-off seems to happen between seeing fewer ads and having better tolerance for imprecise queries.