"I think the UK should be it's own continent because it's not part of the European Union which is basically all of Europe."
Actually no
European Union countries: Austria, Belgium, Bulgaria, Croatia, Republic of Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain and Sweden.

it's not all of Europe tho also it's an economic Alliance any European country can leave the Alliance when they want to