The only problem I have with Tobias is his reluctance to morph and acquire morphs.
And you can live without an eye. I think you should look at big picture limbs and organs. Like I said, while these people may be somewhat maimed, they would probably be grateful that someone was attempting to help them in the first place.
If they should be resentful towards anyone, it should be the Yeerk, or themselves, for being so stupid as to not see through the front that was the Sharing.