Flying after bumping the wing during taxi

[Pace]

If it was true that the aircraft was not his then it sounds likely that he hoped no one would notice especially the owner and he could walk away as if nothing had happened.
The aircraft should be inspected for anything but the slightest touch as you cannot see what damage may have been done.
It would not be nice for the owner or someone else to find out later that there had been damage at their peril.

I hope someone gave a note to the owner telling him what occurred

Pace