Checks are still commonly used for businesses and people working predominantly blue-collar professions (at least in the US)

That’s a cool kill switch implementation, thanks for the repo. I tested my qbittorrent setup by shutting down the VPN container and it stopped all network connections in the qbit container

Seconding dockerizing the torrent client with a VPN. My approach was using a gluetun container (https://github.com/qdm12/gluetun) and pointing qbittorrent to use that container’s network adapter