It works no matter where the tank is - the bots can path to it no matter where its at.
If there are lots of bots, it depends on what other current goals are available. Obviously, you don't see all humans follow the tank around, and you won't see that in Fritz either. Some bots will camp somewhere to defend the path, others will harass the enemy, others will just run around and fight. It all depends on what goals are available at any given time.
GoldRush will knock your socks off!