But, as a thought exercise. Let's say you were selling ads directly to the business paying. Which businesses do you suppose might be interested on a congressional apportionment calculator?
Political ads? Campaign ads?
Newspapers advertising that they've got the fastest election news?
People looking for an apportionment calculator are likely interested in a past or future election and interested in political topics. That's a lot of potential ads you could show.
So if there us the value you suggest, it should be an easy sell. Probably less work than he went to to tweak the site.
Then again, are people investigating vote targets undecided voters? And good luck getting media to advertise....
But even on YouTube it's back nowadays, most YouTubers get their money from sponsorships which work just the same as old-school pre-internet ad placement.
But seriously, there are plenty of ads that are based on geo located IP. Then of course there’s the cookie (and cookie replacement) ads.
Complaining about site content is pretty bogus.
And indeed, that cuts the site operator out of the loop, and forces them (if they want to make money from these ad algorithms) to design a site that will attract users with easily-intuited advertising needs. And the linked article doesn't have that.
[1] And still do in parallel niche markets like porn.
As soon as it can be gamed, it will be gamed. It's just the scammy nature of it all. Now that it's "AI" generated content, it will get to enshitified almost immediately on any system that is created