It's an interesting issue and an annoying one for anyone who buys these games on their PS4. Reading through this thread and the (allegedly) more knowledgeable folks at B3D, there appears to be some evidence regarding how developers port code from various game engines that causes the AF issue. As far as I know, Faf is a pretty respectable guy, so I take his word over more than others. There was also some investigation as to how APUs treat AF and the impact it takes, and the conclusion seems to be a bug and/or improper method used in the how it's all ported over.
It looks like some companies are taking a step to correct it or have forgotten about it completely and are moving on. Either way, super annoying issue and maybe Sony needs to update their documentation on how to better inform the developers to fix this or port over AF the proper way, assuming that is the case at all.
Shame that it has lasted this long.