ocean marketing (also spelled "ocean marketting")
You neglect your customers, then one finally snaps, takes their anger online, and you get roasted by the whole world.
A customer was ignored for two hours. He posted a video of himself walking out with the caption 'This place is a joke.'
A woman got screamed at for just wanting to buy a cup of coffee. She posted a rant on Facebook. Now your store is famous for all the wrong reasons.
A kid got yelled at for asking for a discount. He took a picture of the manager and posted it on Instagram with the caption 'This is the worst place ever.'