Gort understood the matter of urgency more than anyone else.
Time was off the essence, and everyone didn't have ample time to dilly dally on the job. That being said, the avatars can only guide them on specific jobs they are involved with.
Take for example an aircraft. If they were told to build an aircraft and one person was assigned to building just the windows, the avatar will guide them on solely this. So that doesn't mean they'll be able to understand or manufacture the other parts. Again, do you truly understand the principles behind the overall structure?
After receiving this reward, of course he was given a task by the system.
'So if I can build any product using this antigravitational mechanism, it will be considered as completing the task, right?'