Whizbang Dustyboots
Gnometown Hero
I don't think businesses approach things based on "will this win or lose me an argument on the internet?"I would consider that a mistake as it gives credence to the idea that the two versions are not compatible after all
If they start hearing that black-spined D&D books aren't selling as well as red-spined books, there's going to people in house pushing them to update the spine for the next print run. And once you're making any changes to older books, there will be other voices pushing for more updates.
And hey, it's a chance to get customers to buy the same book another time, which definitely works on a decent-sized segment of the audience.