I apologize if i m wrong.
I know the article is quite old but it is dedicated to overall advertising policy not just pre-roll video advertising.
Dave : I think you haven’t gone through the article and must have just read the title.
I request you to read the article carefully before posting.
[ Explanation for the title ]
"Pre-roll ads interrupt the experience on our
website hosting," Mr Hurley (YouTube's CEO) said. "We wanted to create a model where our users can engage with content and create a two-way communication between advertisers and users."