When you have the most popular console, the most popular franchises probably sells better on your console.
Besides that, the early adopters are the most casuals. Why do you think ea games selled so well?
Hardcore gaming is a bigger niche than you think, if 30% of the install base is hardcore, consider yourself lucky.
"Hardware design isn’t about making the most powerful thing you can.
Today most hardware design is left to other companies, but when you make hardware without taking into account the needs of the eventual software developers, you end up with bloated hardware full of pointless excess. From the outset one must consider design from both a hardware and software perspective."