No one's firing up a residential proxy to read your blog, and the corporate AI scrapers have all the resources in the world even without residential proxies
They're most useful for getting information from the cloud hosted sites that hoarde most of humanity's output today like Youtube and Reddit.
The Bright Data mentioned in the article, as well as other similarly malicious but even harder to identify parties, most certainly do fire up residential proxies, no matter what the site, no matter how useless or duplicate the data which they're trying to get. Not at first - they start by trying to get your content from cheap data center connections - but as soon as some kind of bot-mitigation appears, they move to residential proxies to try and evade that, with a first tier coming from "global south" residential proxies, and then scaling up to (presumably more expensive / less widely available) proxies from the USA (I've seen some from Europe, but very few in relative terms). Each tier also appears to have the option to run JavaScript.
I actually read a really interesting article from a relatively small blog explaining that they're receiving a massive amount of scraper traffic from residential proxies.
The article was called "The one we're commenting on"