This was all over Twitter the Australian Air Force confirmed this is camera tricks the C17 is practising for an annual airshow it is flying low over the river that runs through Brisbane and they have done this show for years now. The camera perspective give the impression it’s over the city but it’s safely over the water. The American pilot “off the record” is hyperventilating over a nothing burger.
Long lens aka telephoto will compress distance making objects appear much closer to each other than they are.
News outlets do this all the time to make crowds look large when they are actually spread out and small.
Example Biden events
Australian Air Force Globemaster cruises low through Brisbane, startling onlookers
I used to know a guy who was a crew chief on a C-17. He said they referred to the C-17 as “a fighter jet on steroids” due to its maneuverability.