Second, we find that a few privacy-focused users often ask their browsers to go beyond standard practices to preserve their anonymity. This includes changing their user-agent (something bots will do to evade detection as well), and preventing third-party scripts from executing entirely. Issues caused by this behavior can now be displayed clearly in a Turnstile widget, so those users can immediately understand the issue and make a conscientious choice about whether they want to allow their browser to pass a challenge.
Those of you that browse the internet with JS disabled (e.g. using NoScript), the time of reckoning has finally come. A huge swatch of internet will no longer be accessible without enabling javascript.