Universal Studios sued Sony over BetaMax not because it was worried about skipping commercials, it wanted to be able to sell movies instead of people being able to record it.
The first lawsuit about programmatically being able to skip commercials which is more akin to the crowdsourced YouTube skipping creator embedded sponsorship was in 2001 when 28 studios sued ReplayTV out of existence.
Universal Studios sued Sony over BetaMax not because it was worried about skipping commercials, it wanted to be able to sell movies instead of people being able to record it.
The first lawsuit about programmatically being able to skip commercials which is more akin to the crowdsourced YouTube skipping creator embedded sponsorship was in 2001 when 28 studios sued ReplayTV out of existence.
https://www.eff.org/cases/newmark-v-turner
Also see: no cable tv was never ad free except for premium channels like HBO.