I feel like we're dancing on the head of a pin here
Again, not easily. Let's says as you put it before Lauri is difference between -2 and +2 - 55 % and 45 % (and that's likely a bit too much). The chances of going 1-5 as the favorite (with Lauri (or JC)) are ~6 %. The chances as the dog (with Lauri out) are ~13 %. Most often you'll go 3-3, no matter what.
Resting Lauri on b2bs for injury prevention etc. down the stretch, smart. Resting him for lottery purposes, very unlikely to make any difference.
Obviously trading all the vets + not getting back anyone decent changes things much more. But then again Jazz/DA made it quite clear in the McMahon piece that he won't make any trades for or even think about trades simply for the purpose of advancing in the lottery.
And really, what's the value between the 8-9 seed and the 10-11? Approx. zilch.