It's disappointing, but not surprising, that the focus seems to be entirely on the "wrong" side of the "desired" outcome. At this point it amounts to fighting very hard to find any reason to undo a democratically determined result.
If just 1% of the population of the UK changed their voting intention (from Remain to Leave) because of illegally bought or misleading advertising, then undoing that effect would mean that Remain would have won. Invoking the "democratically determined result" is begging the question, since we don't really know whether the result would have been the same if the Leave campaign hadn't broken the rules: https://www.thegu…
It is the politicians who made the REAL decision to trigger brexit.
There is nothing to reverse. You can't cancel a non binding resolution.
Complain to the politicians who made the decision if you don't like what they did. And the politicians were very much voted in democratically.
People can vote them out if they don't like their decisions.