id they ever answer this aspect of the snap?
It seems that everyone reappeared exactly where they were when the snap occurred. What happened to the people who were on an aircraft in flight when they returned? Did they reappear in midair and fall to the ground?
The same thing would happen to people who perhaps lived in a multi-story building that had been torn down in the 5 year interim.
The Earth isn't in the same place in it's orbit and the Solar System had moved in the universe, everyone came back in a different "spot". The Mind Stone just did the heavy lifting on making sure people reappeared in logical places. The directors said Hulk kept that in mind when he made his wish.