> it’s certainly kept around because people found new uses. Yasure that's the reason? I mean, sure, it's possible... But my money is on the "how they've always

> it’s certainly kept around because people found new uses. Yasure that's the reason? I mean, sure, it's possible... But my money is on the "how they've always been" / "the original constraints made sense at the time but they’ve been forgotten and all we’re left with is the end product" mentioned above.