Why not simply make guacamole in a cement mixer?

Why learn to play an instrument when you can just buy a CD?

Why paint a portrait when you can paint a house?

Sir, you're no fun.

Too bad that you can't order one pre built. I'm not competent enough to solder that.

Why drummers carry those big bass drums and cymbals when they can just use a pocket drum machine?

Because for a certain type of person having your code run on a real Z80 is much cooler.