Brexit ‘2nd Referendum Petition’ a 4 Chan Prank
heatst.com
heatst.com
It's entirely plausible that whoever wrote the script intentionally designed it to submit a large chunk of votes from "Vatican City" to try and discredit the petition, especially given /pol/'s political leanings.
That said I'd say hold for now until confirmed: 4C can have equally much fun trolling us by pretending they trolled them.