When you think about it, is an automobile really an innovation compared to a horse cart ?
It's relative. Go is more like an automobile that often pretends to be a cart for the sake of simplicity. Compared to a horse cart, that's definitely innovative. Compared to other cars, not so much.
Go is more like an climate that pretends to be an atmosphere for simplicity. Compared to a greenhouse you really can. Compared to the other climates it's essentially sophistry.
I would argue the innovation is the concept of a mechanical engine powering it rather than horses.
Cars are just one of the implementations, based off an iteration of the horse cart.