I can't speak to how CoreML worked for you, or how the sharp edges cut. I triply wouldn't comment on ANE, which is an extremely limited bit of hardware mostly targeted at energy efficient running of small, quantized models with a subset of features. For instance extracting text from images.

CoreML is pervasively used throughout iOS and macOS, and this is more extensive than ever in the 25 versions. Zero percent of the system uses MLX for the runtime. The incredibly weird and nonsensical submissions weird contention that because ANE doesn't work for them, therefore Apple is admitting something is just laughable silliness.

And FWIW, people's impressions of the tech world from their own incredibly small bubble is often deeply misleading. I've read so many developers express with utter conviction that no one uses Oracle, no one uses Salesforce, no one uses Windows, no one uses C++, no one uses...