Content curated by “the core geeks and nerds” might appeal to “geeks and nerds”, not to those consumers.
They want “consumer” content. And if one day they get tired of it then I doubt any amount of “steak” would have stopped them leaving anyway, since that was never what they were looking for. It’s not like reddit has to be the only place they visit in the internet, nor is the internet their only source of consumption. Just because you go to a snack bar does not mean that’s the only place you go for meals.
Yes, I don’t think it’s just about the execution of Win32 code, but also the possibility of MS using marketing techniques and dirty manipulation methods to give themselves advantages within the Windows platform to sway the general public to their store in a similar manner as how they push their browser, their MS Teams communication platform, their One Drive Cloud Storage, their search engine, their data-collection tech, their assistant, etc.