[Playstation Lifestyle] PS3 Emulation on PS5 Will Remain Difficult, Tech Experts Say

I wonder if PS3 is recent enough that better practices around source code were there. You'd have a lot better chance of making first party games (the ones that leveraged the hardware the best for the most part, and the ones you have less licensing issues with) run well if you could recompile them instead of trying to translate code heavily optimized for that architecture.