Nope.
They are merely being consistent and standing by the rules.
Rules that the UK agreed to and helped to write in the first place!
rules
They were written by people who never for a moment considered that any one would want to leave
could hold another referendum after all that is the general EU policy , keep having one until u get the answer you want
The Uk may well be the first to leave , but we will not be the last
Perhaps the EU should soften there stance and let the Turks join up