It's just that the AI crowd has made their bed so now they must lie in it.
It's true that openCL is more clunky to use then CUDA but the difference is not world shattering. So the AI people thought it was a good choice to gain a little bit in language ease of use and locking the entire industry to Nvidia because of it.
Glad to see the option reads less hostile, even though I have no real interest in Nvidia equipment.
There are a couple other noteworthy changes, suggest checking it out if you're interested in Sway