McCree was named after a now ex-developers at Blizzard, and he's been included in the harassment lawsuit against them. That's why they're changing the name, to avoid any references to him even thought most players have no idea where the name came from.
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.