Me subscribing to it is. Getting everyone I know to subscribe to it is at least a step more complex than getting people to move to Firefox, and I haven't quite worked out a strategy for that yet.
Search results being absolutely shit is probably more of a problem for people than their choice of browser.
When someone complains to you directly about Google search results being shit, maybe point them to Kagi and mention it has a free trial account (100 searches still?) that's not time limited.
That way they'll have a solution they can turn to the next time Google pisses them off significantly. :)
The above marginalia.nu just surfaced the following very nice article for me, which neither Google nor Kagi returned in their top 10 search results for the same terms ('thaad aegis hwasong'):
Edit to add: and since we're talking about indie web: https://search.marginalia.nu/