Britons may choose to change their minds but this is not a single party decision. The EU will likely not readmit them on the same terms and the UK is not nearly as powerful or relevant to European interests as it once was.
As a safe far away island, the UK has much more use in a captive alliance to defend a threatened continent than it is as a participant in Europe that gets special exemptions.
My understanding is they considered a vote on the type of brexit, but were pretty convinced the public would vote for a hard brexit that no one in the regime wanted.
The vote should have been, should we entertain this idea?
If yes, a second referendum on what Leave actually means when it comes to the final decision point.
Y'know the same way that any remotely functioning democracy would approach something this large and nebulous.
Iceland being just the most recent example.
Instead the vote was "life carries on as is" vs "something changes", with no clarity of what that change is.
Given the state of the UK post austerity there is no surprise the vote for "I don't want more of this" was so high.
That's the incredible failing of the UK democratic process here, Cameron foremost.
As a safe far away island, the UK has much more use in a captive alliance to defend a threatened continent than it is as a participant in Europe that gets special exemptions.