Others have mentioned Steam, and the lack of an equivalent to Apple’s latest tracking restrictions on Android.

But at the risk of pointing out the obvious: on Windows and macOS, there is no Facebook app at all. There’s a website, because somehow websites have become the standard for desktop applications, even as they’re simultaneously seen as unacceptable on mobile. And Facebook has full control over their website.

Of companies that do make native desktop apps, the big ones almost all eschew the Mac App Store.