In the end it was all about immigration. Without immigration, people wouldn't have voted against the EU. Other reasons (judges in Luxembourg, EU regulation) are

In the end it was all about immigration. Without immigration, people wouldn't have voted against the EU. Other reasons (judges in Luxembourg, EU regulation) are used as placeholders so that others won't think you're xenophobic. But most discussions with Brexit voters sooner or later end up being about immigration (esp. from Eastern Europe).