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YouTube warns it might make your viewing experience worse if you don't turn off your ad-blocker
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
But that wasn't the point your were making. You were saying that the data has value in relation to your point, not the exposure. The implication you were making was that Google could still profit off the data
They are pursuing a multi variate strategy. They want to collect data and sell ads. They are directly related to each other.