Many countries eliminated their pennies without chaos or unfair burdens on shopkeepers. In Canada, the process was widely popular after the fact even though newspaper articles prior to the elimination intimated it wouldn't be due to their "both sides" style of reporting. It's indicative of the current US administration that they managed to screw this up despite many examples world wide of how to do it properly.
> The government’s phasing out of the penny has been “a bit chaotic,” said Mark Weller, executive director of Americans for Common Cents. The pro-penny group is funded primarily by Artazn, the company that provides the blanks used to make pennies.