Does the number of app categories matter? They’re all apps, meant for casual content creation and consumption. Consoles have a number of game categories too.

> What are gaming consoles used for? Gaming.

PS3 has been used for multi core computing until Sony blocked it. Source: https://en.m.wikipedia.org/wiki/PlayStation_3_cluster

> it wasn't meant to be general purpose

I’m sure Apple would say the same about the iPhone.