Look, you know you can find out what you need to, and you can exercise your vote, right? Regardless of any ad campaigns or media coverage or anything else?
So can everyone else.
If they don't, there's no one else to blame.
Which is why we have the government we deserve. If we act as informed, involved citizens, then things change (I suppose according to the "better" of the majority). If we don't, then we're complicit.