A pile of manure by any other name is still a pile of manure.
Though unethical in intended use; that of igniting emotions in a person's subconscious with messages that they are not usually immediately aware of seeing; to try to persuade the viewer to perform specific tasks.
In movie theaters, showing a single movie frame of a desert, for example, is intended to sell more drinks. Same for foods. It worked so well that when people learned about it, many countries banned the practice.
Seems GOOGLE intends to use this psychological weapon in politics to advance their desired candidate (or at least one who pays the higher price.
Solution: Treat any mail delivery system under the US Postal Regulations with respect to delivery. After all, social media is the same as if a news or magazine was delivered directly to your house via the US Postal Service.
This would make it necessary that all deliveries be accessible and seen to the conscious mind.
Now, with respect to #MrTrump and a proposed Executive Order toward anti-conservative bias; What does it matter if one side does it or the other side does it. Two Wrongs Do Not Make One Right.