[izacus]

Never in my times of working for content provider / transport was that even remotely the reason for DRM.

It was always passing the legal buck ("It wasn't us that let those evil evil pirates steal your series, we did all we could, look at that DRM software certificate!").

Snooping packets in dorm rooms? No.

[rudolf0]

Not to mention that even if it were an issue, TLS would be a much easier and cheaper solution.