Now I'm just imagining them coming back down, combusting, and people thinking the war of Armageddon has begun.
Yes, you really don't want an unplanned indoors Hindenburg reenactment because someone got too close to the birthday cake. Also it's difficult to store
"The fuck made you think Paul was so important?! The dude was one of the false prophets Jesus warned about, you morons!" -St. Peter, probably
Better yet, attach a small explosive to them so once they get enough attention and people think the rapture is coming they suddenly burst into flames and explode.
That way the Christians really won't know what to think.