I actually wanted a PS2 port because it works with interrupts rather than polling but they aren't really included anymore.
I feel like they don't make boards for people like me who want small boards with a super niche port.
When a MoDT Mini-ITX board comes out with a PS2 port I will buy that instantly
I only had it briefly a long time ago,
I think certain things can stall the computer from polling, so if you're computer is super weak or youre doing something super heavy it would suffer
Maybe its a placebo effect but I did notice it handle itself better when running multiple things.