So Kagi gave you ads, sponsored links, AI generated answers etc. as top results? =)
It shouldn't, or you've registered for a scam site. That's the difference. With Kagi it feels like I'm using Google from 10 years ago. On Kagi I can go "searchword -notthisone +thshastobethere inurl:forum" and it actually works.
You can also manually downrank sites in the settings so that they never appear in your results (as I've done for pinterest etc that are 99% crap, but have excellent SEO). Or boost sites with reliably good results.