Jesus, why does anyone care? If it makes weight and uses a single stack mag there's no advantage to it. It's not like Staccato is the only company doing this.
https://cosaintarms.com/products/
If you want to shoot a lightweight-plastic gripped 45, go ahead. If you want to swap out the grip for an expensive aluminum one to get to the same place as my Springfield, that's no skin off my back.