Chosen answer:He was directed there as part of Simon's plan. The original idea was that both Zeus and McClane were supposed to show up there, where Simon's men would take them out. As McClane disobeyed orders, leaving just Zeus to go there, Simon told his men not to shoot, as eliminating Zeus alone would simply tip McClane off that something wasn't right.
Chosen answer: He was directed there as part of Simon's plan. The original idea was that both Zeus and McClane were supposed to show up there, where Simon's men would take them out. As McClane disobeyed orders, leaving just Zeus to go there, Simon told his men not to shoot, as eliminating Zeus alone would simply tip McClane off that something wasn't right.
Tailkinker ★
Plus also without that scene we wouldn't have the car chase and McClane discovering the quarters.
Sam Montgomery