I think we absolutely should care, because when the devices do something, the user still expects software to be fast. So if it is not fast enough, he buys a new

I think we absolutely should care, because when the devices do something, the user still expects software to be fast. So if it is not fast enough, he buys a new device, because this is what he can do. He can't just buy the software rewritten. Usually This is bad for sustainability