Why? From Apples standpoint it means developers are continuing to keep iOS popular.
And honestly developers, individual and companies, are peer pressure driven. As long as others make it a popular platform, they'll develop for it.
And honestly developers, individual and companies, are peer pressure driven. As long as others make it a popular platform, they'll develop for it.
The only thing your metrics would do at WWDC would be to cement that unless you're the top app in your category, you're not making money, and Apple knows this. As long as they're super popular though, developers will keep trying.
Also, why would Apple do anything at their event other than make themselves look great.