[Fat Charlie]

It's not so much that the engineers decide to dump on techs, or even that they don't care about serviceability. An engine is really easy to service when it's on a stand, but...

When another crew of engineers mounts it in a full size truck, some parts may be hard to get at.
When they slap it in the HD truck, you've just got to face that you're going to need a hoist to remove the oil pan.
When the sedan team mounts it in their car it's going to be tough to do anything.
The mid size engineers deserve an award for making it all under their hood at all.

Redesigning the engine for each platform (and not just using a different oil pan) would make for better serviceability, but it would cost a lot more.

Old Tele man- I'd compare officers more to the focus groups that make insane demands for the engineers to work on.