Its not sport, its life. No such concept of good or bad losers - if you lose, you do your best with what you have, but that does not preclude trying again in any way you can.
leaving personal preference for the Brexit result out of it, a repeat referendum of that vote makes every sense, as now more information is available and hype (from both sides) shown to be what it was, people may be in a better position to make an informed choice - and if that is indeed to reinforce the original referendum outcome of 'leave' then it will be more likely to shut up the remainers than anything else ever will, while giving a much stronger mandate to go ahead. Why are the leavers so afraid of a re-run of the referendum?
in practical terms, although a confirmatory vote would have been logical and easy before triggering Article 50 that didn't happen, and it now probably needs to and should await an indication of the real terms of leaving - though I don't know where Aricle 50 leaves things from a legal point of view.
will it happen? If I were a betting person, I would put money on it not happening, because May wants to go down in history for something and she sees Brexit as her big chance.
Coming back to the subject in hand, Scottish independence, they had their vote on leaving the UK, which didn't seem to be shrouded by all the hype the Brexit vote had, but at the same time I think they have a point in Brexit possibly changing their position. Logically a re-run of the Scottish referendum could be held after a Brexit confirmation referendum if the latter confirms Brexit.