I suggest checking this outApple has done numerous times in the past to disrupt the tech world, and this time I firmly believe they will destroy desktop operating system as a whole when the opportunity presents itself. Even in the business world, good PCs aren’t cheap, let alone Mac. While Windows has Linux to contend with for desktop OS market share, macOS is just, macOS. Apple can kill it and phase out Mac. It’s not like there will be tons of folks installing Linux natively on their macintosh anyways. When iPadOS is versatile enough to cover most (98%) needs, macOS would at best be phased out from consumer market, and iOS would run on all Apple computing devices.

Craig Federighi says macOS would ruin what makes the iPad special
Apple's Craig Federighi explains why iPads won't run macOS anytime soon, even as iPadOS 26 brings them closer than ever.