I think that the network effect / ecosystem considerations are the meaningful discriminator here. MS didn't create and ship IE as a freebie gift to its custome

I think that the network effect / ecosystem considerations are the meaningful discriminator here. MS didn't create and ship IE as a freebie gift to its customers; it did it in order to gain a foothold into the burgeoning Internet service market. Likewise with office products and cloud storage, having all Windows users automatically use .doc files and OneDrive accounts puts them in a dominant position to sell other connected products. A Windows user who plays solitaire is just playing solitaire. If he would like to play a better third party solitaire instead, the fact that 99.99% of Windows users are playing the default version doesn't affect him in the slightest. But a Netscape-browsing, StarOffice-typing, Nextcloud-uploading Windows user will find himself constantly annoyed in a world where every website is Best Viewed in IE, ships heavily customized Word documents, and shares OneDrive links with each other. If Solitaire were a MMO, I think Windows giving every user a free basic Solitaire account would not be OK.