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

What good parts?
[/quote]

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

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

Surely it is, if all the universes are different and stuff.
[/quote]

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