YouTube will "lose" the war, but they'll make adblocking difficult enough for a while that it might get some premium subscribers in the short term in exchange for the loss of goodwill.
They haven't lost any good will from me. I don't feel entitled to use an ad supported service for free without the ads. Personally I've been paying for premium for a while and I find it worth it.
So don't watch things for free. Many people think that if a company is giving things for free you are not obligated to pay them in any way. The company can stop it if they can't afford anymore.