HBO uses Captcha to prevent bots stealing accounts by brute-forcing passwords/reused passwords from other sites.
In other words. It's not anti-piracy mechanism, it's protection against account stealing.
In other words. It's not anti-piracy mechanism, it's protection against account stealing.
It's a nuisance obviously, but for such a tiny fraction of people, honestly not bad if they notice that they got phished or use a password guessable within a handful of tries.