I'm using Firefox on a Linux workstation (without Tor) and I still got the CAPTCHA. The statement "blog.adafruit.com needs to review the security of your connection before proceeding" is misleading at best. Shame on Cloudflare, this kind of dishonesty makes me not want to trust your RCA marketing pieces.
Same with Firefox Focus on Android.
I received the same prompt from a Windows 11 machine at work. This probably has nothing to do with Tor or Linux, but their Cloudflare settings.