Originally Posted by
iFlyMoreThanYou
I'm at DXB every 4-5 days, and have overheard immigrations staff send pax back relatively frequently, at least once a month ("you're flight is tomorrow?", etc). So it seems like more people do try this than I thought. At the end of the day, it depends on the officer and his mood.
Would never attempt this myself, I'd much rather be home

You don't have access to Smart Gates?