You could of course ignore the campaigns, and do a bit of reading about it yourself. And form your own conclusions.
Yes, everyone certainly could. The problem is that the vast majority definitely won't, and will vote according to the latest hyperbole from their favourite tabloid or gobshite politician (Cameron, Farage, whoever). Your well-considered vote -- as much as it's the right thing to do -- will be lost amongst the votes garnered by playing upon peoples' ignorance and emotions.