Same, I don't buy their metrics because sure, the average person might search 3/4 times per day, but the average person isn't gonna pay for Kagi. A quick glance at the most popular search queries[1] shows a very likely scenario where people type what website they want to go to and then just stay there.
I'm a heavy Google user, to the point that I can't switch to DuckDuckGo because the quality just isn't there, and by exporting and analyzing a month worth of web history I counted 4507 searches (not counting going after the first page, which Kagi counts as a separate search). I don't really see who the standard plan is aimed at.
Sadly the ultimate plan is way too expensive for me, 25$/mo is what an internet plan costs here!
1. Using Google Trends (https://trends.google.com/trends/explore?hl=en-US) gives me: "google" "youtube" "weather" "facebook" "translate" "whatsapp" "amazon" "instagram" ...