The cache doesn’t come from thin air. At one point or another they HnR’ed the torrent.

Sure you’re pulling from the debrid service but debrid still hit and runs the torrent. Aside from one or two providers that seed for a day or something.

I’d strongly advise not using debrid. With debrid you’re leeching off torrents without ever seeding anything back. It’s an abusive system. Not to mention it’s usually not files of any level of quality.