1996
YouTube's plan backfires, people are installing better ad blockers
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
Part of the value of a service is the size of it's user base, not just the size of the monetized user base. Right now, Youtube is just about the only game in town, but if half their users just Leave, even if it was the half that used effective ad blockers, the value of the site as a whole, for creators and advertisers both, is diminished.