It's contrary to what Sony and Nintendo did, where there was no backwards compatibility from the PS3 to the PS4 or from the Wii U to the Switch, and the games t

It's contrary to what Sony and Nintendo did, where there was no backwards compatibility from the PS3 to the PS4 or from the Wii U to the Switch, and the games that were manually ported over were re-launched at full price with no discount for those who already bought the original. Microsoft are the only ones who made a significant effort to keep games working across generations with very different hardware architectures and didn't charge for the privilege of playing your existing library.