Those who need the $10/year can decide to instead give up their personal data using the ad-funded model, which I explicitly did not say should be abolished, because I don't believe that. I was making an argument against the idea that microtransactions are themselves somehow infeasible/bad - nothing more.
I used to live off of $7,000 a year. $10/year is something I'd seriously think about.
I'd be careful about generalizing a fixed cost subscription's impact. Typically, it will hit poorer communities harder than wealthy communities.