They're only technical in nature because that's how Apple makes them.I am afraid your reply denote a big lack of knowledge of nowadays programmation workflow. If you think that any issue or feature lacking is merely the result of lack of money, you have no idea what you’re talking about. There are so many other aspects playing here, and a lot of them are technical in nature, not commercial.
Consider the portrait mode in Facetime. There's no reason why you can't bring that to an Intel mac. Teams and Zoom will happily blur out the background on 4 year old Intel macs, no problem. Sure you can make it more efficient by only relying on the neural engine, but you can just as easily use the same sort of code on any GPU made in the past half decade to achieve the same results. Apple, just chose not to.