Carmakazi

To answer your question directly: No idea.

Of tangential importance to your question: Apparently TPB has been considered untrustworthy for a number of years, probably since it “returned” after the original crew behind it did a stint in Swedish prison. Infected torrents have been found there and the “skull” ratings mean very little.

Aren’t read-write disks fairly unstable from a longevity perspective?

Been hoarding some GOG offline installers in my spare time.

GOG infrastructure is just not as robust, I think. I’ve had some luck downloading during non-peak hours (morning and afternoon weekdays), but it’s still slow in comparison to Steam.