It wasn't presented as evidence for any claim. "Apparently" isn't a claim.

The correlations between the ideology and what happens with Facebook is synonymous though, so it's neither far fetched. But I guess you need to have some historic understanding to see that (and that's a little too broad to present in a comment field).

(edit: for admin: I up-voted this post and got an "user mismatch" error as response page - perhaps something the devs want to look into).