should be threads
Yeah, whenever someone complains about being run ragged for a shitty tip, he's almost always the first to jump in and insist that tipping is OPTIONAL and the OP should be thankful for getting anything at all, regardless of how many times someone points out that in the US (which is where these events usually occur, not that the US is the only country on teh internets) wait staff depend on tips as they get paid less than minimum wage and have to split tips with bussers/bartenders/hostesses et al...