Originally Posted by
IAH-OIL-TRASH
"I'm not sure I'll take the flight, but I'm 100% positive I'll consume at the lounge"
Also prevents another customer, who may be on upgrade waitlist, from legitimate use.
If OP is buying last minute, fully-refundable J tickets for TATL flights, I'm guessing UA would prefer their business over some 1K punter hoping to use their plus points.