“The “goy” that bought the chometz turns out to be a Jew or a Safek Jew, as is learned much to everyone’s chagrin after Yom Tov.
What do you do now?”
Safek chometz shaver alav Pesach l’kulah. The situation of a vadai Jew doing it as a prank would be very unlikely.
“ubiq: Milhouse and I have refuted your point in the other thread.”
What point was that?