If the extra features on a phone are not used they will not drain the battery, the gas used in the truck will be the same regardless if the bed is used or not.
I'd rather buy something with the features I need today all wrapped up in a nice UI than something that's a bit of a mess but has extra features that I may or may not need one day.
Plus it integrates with my PC and iPad
To each their own. Nobody will ever be convinced away from what THEY like, so these analogies and discussions are largely pointless