As a user, I'm glad it's there as an easy updating mechanism for Apple apps and a store for handy utility apps, but there's not much of a place for a centralized app store on the desktop. Steam poaches the most lucrative category and makers of prominent professional apps don't need any help with digital distribution... what's left? I'd imagine that this hollowing out makes it advantageous for software that might bene…
At this point I will avoid buying any more games from Steam if possible and just get them from the app store because it's so much easier and just works.
Back when I sold my own software, getting it noticed was nearly impossible. There were about 10 different websites you could submit it to that had lists of new apps (Version Tracker, Download.com, etc.), and eventually they all got more and more spammy until the point where users just stopped using them altogether. Something like an app store would have been a godsend!