Messing with people's sub-conscious?
You mean successfully convincing them of something? It doesn't matter who is doing it, or what is said to you, you can still CHOOSE to ignore it and that is the point.
It's all sounding a bit tin-foil hat conspiracy to me. Are you saying my vote was NOT actually my own, but was influenced by invisible brainwaves sent via a succession of equally influential advertisements, soundbites, recommendations on Youtube, Twitter and Facebook that all follow a similar theme!?
Wow! Erm, remind me exactly how many people who voted Remain/Hillary came to their decisions since they are after all the LARGEST proportion of social media followers? Hasn't it been revealed that most people on Facebook tend to share anti-Conservative content?
If they do, fair play to them, if that is what influences their voting decision, let it. It still doesn't mean their votes should be invalidated thus not against democracy.