goose

> some clever checks on if you received (and therefore likely seen) the section of the video with the ads

Adblock would just evolve to politely answer "yes" when asked if the content had been received and played.

That's a description of this:

> The best they could do is have you wait the ad-time even if the ad is blocked but that would just mess with their analytics - they want to be sure the ad is being watched.