They need to just give up and stop fighting the ad-blockers: they can't win, unless they try to force everyone to use a special app to watch YouTube, which obviously isn't going to fly.
There's plenty of losers out there who can't or won't use ad-blockers that they can make their ad money on; trying to harass the 20% of users who use ad-blockers is just an arms race they can't win.
