I don't think it is, just think about all the people (billions) which either can't afford a desktop or laptop, or can't connect one in their home. Now they are

I don't think it is, just think about all the people (billions) which either can't afford a desktop or laptop, or can't connect one in their home. Now they are connected to the entire world, their families and communities through smartphones. And that cost of entry does keep getting lower. Perhaps it is transitional? Until something better comes along (AR/VR)? Then a smart phone is just a mobile computing device that generates/renders the virtual world around you (while remaining in your pocket). Who would want a laptop or desktop then, hah.