https://www.techdirt.com/articles/20190312/00332641776/everyones-overreacting-to-wrong-thing-about-facebook-briefly-blocking-elizabeth-warrens-ads.shtml

I've made it clear that I don't think much of Elizabeth Warren's big plan to "break up big tech," which seemed not particularly well thought out and unlikely to accomplish its actual goals. Even so, I certainly cringed upon hearing the news that Facebook had blocked an ad that Warren's team had taken to promote the plan. I mean, come on. Here is Warren, talking about how Facebook is too powerful and can potentially influence policy by choosing what it allows and what it doesn't allow... and Facebook up and hands Warren the most beautiful gift she could ever hope for: blocking her own ad for her policy to break up Facebook. Basically everyone immediately spun the story as Facebook trying to censor this call to break up itself.

Of course, the reality, again, is a lot more nuanced. And, while everyone will ignore this (and I'm sure some people will make bogus accusations in the comments), the reality is that this isn't proof of Facebook's nefarious attempts to censor people it doesn't like or messages it doesn't like. It's proof of the impossibility of content moderation at scale. As Facebook explained, the original ad violated a Facebook policy that had nothing to do with the message it was sending: you're apparently not allowed to use Facebook's logo in an ad: