Would This Kind of Stone Chip Caused by Car Service? Is It Needed to Fix It?

[hfwangau]

I didn't see it before the maintenance, but found it just afterwards, I mean this is not a big deal for a 1.5 year old offroad SUV, but just wanted to confirm if there is possibility so I may go to another dealership to do the service next time.

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Also the car does have a few stone chips near the door edge, I noticed those ones before the service.
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I don't care them as unobvious, but should I fix them as if not, will rust eventually? Thanks