Is the only takeaway that polymorphic design is good for extensibility? I mean, isn't that the whole point of polymorphism? But Linux's everything's a file desi

Is the only takeaway that polymorphic design is good for extensibility? I mean, isn't that the whole point of polymorphism? But Linux's everything's a file design is great. Makes for a great user experience when you know all the knobs are under /sys on sysfs