In the olden days, those people wrote for things we called ‘magazines’. Without infinite free content at people’s fingertips, actually paying for curated content will likely make a comeback.
You do realize that sponsored stories aren’t modern invention? Magazines were full of it too, sometimes disclosed, most often not.
It’s a bit harder to find stuff in a magazine that helps troubleshoot a water pump at night…
Magazines primarily make money through advertising.
Even that “curated” content is often the result of a company’s PR professionals sending free gear for review and possibly wining and dining the writers.