Had my truck for 2 years and zero issues with the chrome so I would say yes.
Not really short sided. I am more inclined to think your friend hit something causing the grille tab to break, but either way he got it repaired....
Warranty on what? The wheels would be the only thing I could see needing warranty.
Factory 22s are easy to come by and for a fraction of the price you're being quoted.
How much would it be to purchase the parts separately and install yourself?
Separate names with a comma.