Earlier quoted context omitted.
Because the companies make a large amount of money on the platform. Look at Apple/Google/MS/Sony/Nintendo charging for access to the platform - either explicitly for online play, by taking a cut of sales on the platform, or in the case of the console makers - both. As someone who prefers to play games alone, it's frustrating. The first five minutes after installing Steam is a constantly stream of "stfu and stop shovi…
For me it's the reason, why I never started gaming again. I just wanna buy a game and play. I don't wanna have any spyware on my PC.
Plug in a cartridge and go from power on to playing the game in a matter of seconds, with no privacy invasion.