You are the only one posting based on emotions and pure conjecture with little based on reality. People do not write WP7 apps because the install base is small, that's the problem. That's partly why they changed to WP8 so that developers "write an app once" for Windows 8 and Windows Phone 8. It was to provide that app developing incentive with them leveraging an instant install base from their PC market. If you think people will now be writing WP7 apps when they were finding little reason to already you are agian delusional.