But creating a new set of rules and enforcement policies took months, because it is difficult to rein in content across many languages and because of the complicated debate over where to draw the line on what users can post, the person said. For example, YouTube will not remove a video of a parent talking about a child’s negative reaction to a vaccine, but it will remove a channel dedicated to parents providing such testimonials.
Misinformation researchers have for years pointed to the proliferation of anti-vaccine content on social networks as a factor in vaccine hesitation — including slowing rates of Covid-19 vaccine adoption in more conservative states. Reporting has shown that YouTube videos often act as the source of content that subsequently goes viral on platforms like Facebook and Twitter, sometimes racking up tens of millions of views.
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Source: YouTube Bans Anti-Vaccine Misinformation | The New York Times