Do you think they're watching news videos on TikTok? It's just where they hear their peers talk about stuff.

And the article has a graph showing those same kids (from the UK btw) use BBC as their most common news source. It's just they broke down "BBC" into a bunch of subcategories till a social media company was #1.

Because "12-15 year olds in the UK use the UK's largest news organization as their source for news" wouldn't get many clicks.