[quote=@Techspert]
<Snipped quote by Intrepid>

Swapping out stuff to add new functionality, or super easy repair.

<Snipped quote by Multifarious>

Some of them are, and some of them aren't. It depends on where you go.
[/quote]

Designing things for versatile functionality, or having replacement parts at the drop of a dime. I know which side I'll always take.