1) If a large job is too cut up, a single finisher may not be enough and the job may require two finishers working in tandem together to blend the finish together properly. Traffic isn't that difficult to work with. Perhaps your guy is inexperienced or new to it.
2) If it were me, I would use a Clarke OBS -18
http://www.clarkeus.com/Products.php?Br ... rke&Pro=73
with 100 grit screen to remove the existing swirl and scratch, then use a 150, then a 220, then finish it off with just a maroon pad. Handsand all the edges and perimeter with 220 alum. oxide automotive paper. Then vacumm, tack and coat.