I guess power cords and power plugs landed on perfect designs. It's weird how there are so many different "perfect" power plugs though. A periodic review proce

I guess power cords and power plugs landed on perfect designs. It's weird how there are so many different "perfect" power plugs though. A periodic review process won't matter. Somebody has to actually research, design and create an alternative. Why would they spend resources on that if their competitors can just decide that they're not allowed to use it?