to 
Nick Clegg explain the recent kerfuffle in Australia.https://about.fb.com/news/2021/02/the-real-story-of-what-happened-with-news-on-facebook-in-australia/ …
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The percentage of content doesn’t necessarily correlate with levels of engagement.
I imagine consumers of political content likely spend increased time engaging and increased time on Facebook, which is really the currency of the attention economy.