I may have remembered this incorrectly, but I thought Vincent closed on the two hoods, not vice versa.
And that kind of technique has been around for a long, long time.
Bill Hickock used to deliberately close on adversaries. His philosophy was a better shot would prevail at distance, but at bad breath range the steadier nerve would win.
Another thing to note about Vincent vs the two hoods - by moving in the manner he did, he deflects BG1's gun toward BG2; he also partially interposes BG1 between himself and BG2.
Had Vincent remained at distance, both BG1 and BG2 could have had unobstructed shots.
Agree with Frank Ettin and sheepdog - some of the folks complaining here don't seem to have had any H2H or CQB training.