If they wanted to, they could just send a few Chinese "tourists" over with their DJI (or American) drones and record specific footage instead of metadata about general footage. Or use their satellites. It's not the 1940s any more.
When I fly my drone it's not connected to WiFi, and doesn't even need to be connected to my phone. What network are they sending gigabytes and gigabytes of video data over when I'm recording people fishing on a lake in the middle of nowhere?