The largeness of the model does add complexity, you can't really package it as part of the binary for example.
It's not the case that useful software was ever self contained. If you recall trying to do anything online in the early to mid nineties, you'll remember how complicated it was to use almost any website and how much manual fiddling and configuration was involved to get online.
Ignoring the internet, early games and graphical applications were a mess of settings and configuration. Even today you often have to tune graphics settings to get playable game performance on anything but top line hardware.
It's not the case that useful software was ever self contained. If you recall trying to do anything online in the early to mid nineties, you'll remember how complicated it was to use almost any website and how much manual fiddling and configuration was involved to get online.
Ignoring the internet, early games and graphical applications were a mess of settings and configuration. Even today you often have to tune graphics settings to get playable game performance on anything but top line hardware.