I too pay for, use, and swear by kagi now. It's great!
And for all practical purposes, switching to an incognito tab is pointless against Google. If there are 99 searches from IP 1.2.3.4 using Firefox version 123.4 with Google cookies, and now 1 search from IP 1.2.3.4 using Firefox version 123.4 without Google cookies is practially "good enough" to assume it's still the same person.
Anyway, I'm also sold on Kagi, and DuckDuckGo before that. I didn't even know Google had broken quote searches, but I'm not too surprised.
(richard, ceo of you.com here)