They spent a ton of money to make the game pretty. Voice acting is top notch. Body motion capture is good. The graphics are beautiful.

In three years they put a ton of resources to make it pretty.

But time is limited so they skimped on combat mechanics. They already had DOS so why create a whole new one? Just tweak it a bit and work on making things pretty.

If explosions are bad now, imagine stuff happening at level 10. MOAB barrels here we come!