Ok, I'm new, so take my opinion for what it's worth.
If you were snagging some old lady's purse...and Superman showed up and punched you in the face...would you turn and face him for a showdown or haul outta there?
To me it adds a bit of realism...it ain't easy to chase 'em down...but it seems to me to make sense.
This from a guy who is level 6 and has played 4 hours.

Sooo...feel free to discount this post as you feel is appropriate.