When you have actual people who, after the vote, say on camera "I did not understand..." then yes, there were people who did NOT know really what they were voting for. So no, not complete nonsense.
Remainers caused a mess, but so did Brexiters. By NOT making their intentions clear, by NOT helping the government to come up with a reasonable exit (instead of hardazzing it then going sulky kid when things didn't go their way) and just in general being little whiny bytches, they helped to cause the mess. Remainers, as I said, also caused the mess, by not accepting what was done despite the vote, by not working with the Exiters to get a fair deal and just in general being little whiny bytches about the result.
The people ARE phucked, no matter WHAT happens on the 29th. That you are so rose colored glasses about it you might as well change eye color is your ignorance and peril, but thankfully others realize that the British people are in trouble once that date comes in. It won't be 45 all over again, it'll be a shyteshow like none have ever seen.
There IS no true, proper Brexit right now, ready to be democratically carried out, and that is your problem.
Tip - change your eye color; rose is not a good look for anyone.