Not to put words on anyones screen but I think Lnewqban was mostly saying to just check that nothing is binding and everything functions smoothly.

As for the tubing around the clevis, its a handy little security device. Knowing how much you love your new baby Id take the time to install the one on the elevator at least. The elevator linkage endures a lot of stress.
I dont normally bother with them on the throttle linkage because it endures little stress as long as it isnt binding or sticking.

Cheers.