What PC are they going to get for a comparable price, that also has a disc drive? The Steam Machine came out more expensive than they wanted due to the current component price crisis and doesn’t have a disc drive.
And even then, where is anyone buying physical PC releases?
The disc drive itself is not relevant so much as what it represents. On a PC, you have much more freedom even without a disc drive. On a PlayStation, without a disc drive, you are fully at the mercy of Sony 24/7.
And even then, where is anyone buying physical PC releases?