Someone drew this. Someone thought of this, mulled it over, decided that they should draw it, then drew it, published it and shared it with everyone. This.
I will not have it!
Take my upvote and never show your face here again. With or without mouse makeup!
I think the biggest problem I see with A to A is: who's delivering power, and who's receiving it? Maybe if you use it only with the device it came with then it'll be fine, but if anyone tries to just hook up that cable to two random computers, it might actually cause a short circuit and fry something.
Whereas Type-C was explicitly made to handle such situations.
Or a shorter reason: Type-C cable is allowed by the spec while Type-A is not.