Quick answer, UKIP are a single issue party.

The UK oters dont hate the EU, we just thought that it would have been nice if we were asked first if we wanted to become part of a federal Europe.

They don't want to blame themselves for their problems, they prefer to blame faceless bodgey men over in Europe. Even though they are in Europe, but some how, saying 'over there' makes it more imposing for them.
No. It's about democratic accountability and fiscal transparency. As a businessman what do you think HMRC sanction would be to me if my accountant refused to sign off my accounts for over a decade?

I'll give you a clue. Arrows on suits. Bars on windows. Lights out at 7 pm.