It's not unreasonable. My own observation of lefties is that they miss penalties more than righties. I'd never choose a lefties to take penalties for my team (apart from Stewart Pearce). Or Solly March. Sorry Solly. But my observation of pen shootouts has drawn me to unscientifically conclude...
But the process is designed to meet the needs only of our club and currently and specifically RDZ. Cucurella is a prime example. Perfect for Potter at Brighton, but £63m wasted by Chelsea.