The only purpose Sentry Mode will have on the Cybertruck will be to capture the LOLs of fools trying to key or damage the indestructible exterior.
I predict good times ahead 
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Yea. Don’t encourage this. Many ppl will get paint, or wraps costing thousands of dollars. When Saturns came out initially, they advertised ding resistance in a commercial where a shopping cart hits the door. My parents bought one. Often when they went to the grocery store...
They’d return to their car with a new scuff or scratch in the paint from some asshole throwing a shopping cart at the door. Probably should shift the “tough”narrative to actual terrain applications instead of “can withstand vandalism”, or even fucking bullets