Many times I park close or under trees at work. I know how sun baked on bird droppings can be difficult to clean from paint. Is stainless easier to keep bird crap cleaned or more difficult? Especially the birds who have visited the mulberry trees?
My opinion...if you are afraid of bear attacks 1. Don’t camp where bears live.
2. Visit during the day when you can see things and stay at a hotel or cabin at night.
For me... I would buy a old used $1500 F-150, strip it down modify a few things then take it off road and beat the heck out of it. Then when I was finished I would climb into my nice clean $85,000 CT and tow my F-150 or what’s left of it back to the garage for more repairs and do a little body...