UI automation is necessary for accessibility

> How do you determine the principal? A daily limit *for who*?

A subscriber. Feel free to create multiple ones, you just have to pay (for example) $10 a month for each one.

> What prevents a scraping outfit identifying as a small town's worth of people?

Nothing. And that's the goal. No Kafkaesque attestations, no complicated surveillance state. Each time you request a page, the page's operator gets credited (with obvious sanity checks).

Want to scrape my Git by following all the links recursively? Be my guest. You'll just have to pay for it.