The documentary's message simply is: "Anything that supports the right wing is evil by default (and slightly illegal), voters are incompetent adults who can't make their own decisions" -which is a big undermining of democracy in my opinion- opacifying the fact the left wing uses the same tools which is ironic.
The only question I was asking throughout the movie as a data scientist is: "Did the collect un-consented data?" And the answer was generally"No with exceptions" like collecting data from un-consented Facebook friends.
The narrative has been circling the idea that most citizens are so prone for ideology manipulation but let's blame someone else for it.
And in case you're asking, no, I vote left.