NVIDIA wants Python and C++ people, they want a new thing to moat up on, and they know it has to be legitimately good to defy economic gravity on chips a lot of companies can design and fan now.
And Khronos always expecting the community to do the work for their standards, filling in the missing pieces for actually excellence in developer experience.
Out of a great many outcomes a very topical one today is semiconductors, and the outcomes rival any on anything for corrupt, incompetent, and entirely consistent with our speed run of the road to irrelevance.
By blaming Khronos you're really just reiterating blame on Intel and AMD with the tacit inclusion of Apple. I suppose you could blame Nvidia for not giving away their IP, but they were a staunch OpenCL supporter from the start.
First class support for Python JIT/DSLs across the whole ecosystem.
Change the way C++ is used and taught, more focused on standard C++ support and libraries, than low level CUDA extensions.
So in a way, I think you're kind of right.