Most members here are very aware of what Windows 10 is, and have no worries that Windows 32 applications will cease to be supported in favour of Store apps, which for the most part are frivolous, lightweight and transient ephemera, often with zero support.
What is more, the established software houses with products that are long term market leaders, as well as in-house commercial development departments have their investments to protect, and they work closely with Microsoft Enterprise and development staff to make sure their products will work with Windows in the long term.
There are no shortages of traditional programming jobs in the adverts. To state that pushing Store apps are the reason and future for Windows 10 is just wrong.
It brings store Apps to the desktop platform for the first time, but not at the exclusion of everything else. They want Apps on the PC, not just on the phone/mobile platform. That's all there is to it, IMHO.
Microsoft may be going for distribution of their SW thru the Store but to stop millions of third party desktop environment SW from working would be instant suicide for them.
I think W32 support will define. For example, the WinHelp for 32 is not working in W10. In W8.1 was also not working, but MS posted a KB for it.
For W10 there is no KB, there is a workaround but with the Updates it is reverting back to the Original.
For me this is a evidence that MS is not interested in W32 anylonger.
Since the first Windows 2000 release, all the Win32 layer does is wrap the Native API (NT) and removing Win32 would necessitate a complete rewrite of NT from scratch to prevent anyone from very easily porting Win32 apps to the Native API... You also have to consider the millions invested in Win32 development over the decades and how removing that support would be catastrophic for Microsoft - why on earth would Microsoft remove Win32 when it would prevent Win10 from executing almost every last Windows application in existence that has been written since 1995?
It's just insane to think there's any truth to that. Microsoft is never going to remove Win32 support.
About WinHelp32, there is a KB for 32bit and 64bit to support it in W8.1. There is none for W10.
So, seems W32 is not important and I assume that it will define. Now, I question why is that? My conclusion is that W32 will become more and more incompatible with future versions of W10 and people will be forced to move their Software to Universal App´s to protect their investions.
I have a older 32 bit Software that still works totally on 8.1, but in W10 there is a fork, either the Software works and most of things in W10 stopps working including saving settings or W10 things are working and the Software does not work totally.
So,based on this situation I can guess the tendency of what will happen with W32 Software in future.
I not an insider , but that is my opinion.