Reason I think that is because a lot of features in ps3 cpu were not standard at the time plus this article says it would be hard to port this game to modern platforms: https://news.instant-gaming.com/en/articles/16364-konami-believes-that-remastering-metal-gear-solid-4-would-prove-very-difficult


Let’s wait for the Ai driven rewrite of those parts into C, and then covert that code to whatever they target.
Agreed but what about the parts that are not standard in cpus today
From PPC assembly? WTF data would you even train that AI on