“Users running GrapheneOS, CalyxOS, and LineageOS are now blocked from sites using reCAPTCHA unless they sign in to a Google account.”
Captchas were sold as a tool to keep bots out. They have been a tool to keep non-Google clients out for years, and now Google is done pretending. If you do not run their OS or their account on their phone, you do not get to use the modern web. The shape of the gate has not changed. The lock just got bigger.