Simply put it they'd sell a ton of them. The Dodge/Mustang brand will always have traction among a certain demographic but their design language looks tired.
New generations are looking for something which has the design of the Polestar_1.
Also the elephant in the room: Everybody wants and touts EVs, up until it's their turn to make a purchase, then the tradeoffs in terms of price, look and build quality make themselves feel strongly.