Ever since the latest patch [ 2.23 ], the scripted AI spawns seem to be broken on the Excavation map. Retrieving the secondary objective or calling the chopper both result in the usual enemy radio chatter, but no enemies ever actually spawn.
Broken AI Spawns on Excavation
You really want more AI’s on that AI infected map?
Yes I do, sir. Besides, it has notably less AI than Airstrip or Headquarters.