I think that asymmetry is why scraping keeps getting worse. The scrapers' costs fell faster than everyone's defenses improved.
There it is. Just like the fckn spammers who ruined SMTP email, scrapers externalize the costs.
Who finances the effort to use residential proxies? That takes a lot of effort, even if it's shoddy
Most people don’t know they’re acting as a residential proxy, lots of devices and apps and free tools install spyware which often includes a proxy script. It’s a really shady market.
There was a popular pirate streaming stick sold on Amazon that ran a residential proxy by day and did ad fraud clicks by night.