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sadly, you are completely wrong. just look at captcha usage.

yeah, very few follow the original recommendation of showing captcha for ips that already showed signs of being bots etc.

but the vast majority shows captchas for absolutely anything. I can't even book a dmv appointment today without answering a gratutious one.

same will surely happen with PAT, especially because it is so easy for the implementer to shove it everywhere. people are lazy and dumb.