I think there was an extension named Skip Redirect that solved this issue…

I’m going to choose a VM.

Invidious currently works for me. I use this instance: https://inv.nadeko.net/

Linux Mint is supposed to come with Flatpak support by default. Running flatpak remotes shows that I have flathub configured:

Name    Options
flathub system

That said, thank you for answering! I appreciate it, even if it doesn’t solve my issue.