Keep in mind that the somewhat 'free' Windows version 10 was only for them to attempt to redeem themselves from the atrocious problems with issues associated with Windows 7 and 8, all released after an effectively and robust operating system of Windows XP.
Yes, it's inevitable that they'll be looking to make up for lost time (lost $).
I agree. I'll bet that after a very short period of time Win 10 will no longer supported.