Here’s the log from yt-dlp:
[youtube] Extracting URL: https://www.youtube.com/watch?v=kR1buRTIKhk
[youtube] kR1buRTIKhk: Downloading webpage
[youtube] kR1buRTIKhk: Downloading ios player API JSON
[youtube] kR1buRTIKhk: Downloading mweb player API JSON
ERROR: [youtube] kR1buRTIKhk: Sign in to confirm you’re not a bot. This helps protect our community. Learn more
No, it’s when I connect with my ISP at home. If I use Mullvad VPN or if I actually login into YouTube web app, everything works fine.