Well she is saying 90-95% loss in revenue vs 10% the article says
"Loup Ventures, a research firm, estimates YouTube’s revenue from children’s media between $500 million and $750 million a year. Paring back targeted ads would dent that revenue, although Google has the ability to make its contextual ads more compelling to mitigate the damage, said Doug Clinton, a Loup Ventures analyst. He pegged the potential impact of YouTube curbing targeted ads at 10% of its overall intake from kids’ videos-- so about $50 million. “That would be the worse case, in my mind,” he said. "