Yes, yes it is.
When I started the thread, I didn't know the knuckle and hub were bad, and the crossmember support looked like it had just been scuffed. I took the car over to the local Subaru dealer, and the tech let me under the car on the lift and that's when I saw the additional damage. Really the crossmember support isn't that bad at all and could likely just stay on the car, but considering how inexpensive it is it may as well just get replaced to do the job "right".
I had already known about the wheels and the control arm, and was just going to fix those myself, since it really wasn't much more than the deductible. Obviously after my additional discoveries and the other stuff the dealer found made this a whole different ball game. I do have an adjuster coming out to look at the car, and I'm going to get a detailed estimate from the dealer to show him so that I don't get lowballed too badly.
I still plan on doing a good portion of the work myself because I want to, but I'm not sure I will be doing the oil pan on top of all the other work; we'll see. The cool thing is the insurance will just cut me a check directly, and let me deal with lining up the repairs, so I will have the flexibility to do it the way I want.