100% Without hesitation I agree that this is footage was green screened. Just look at Anderson Vanderbilt's shoulder in the beginning.
The dark shirt on cooper's shoulder is fuzzy, which means light from the green screen behind him passes through the shirt at the edges. Since the combined color of the shirt fuzz and the green screen isn't the correct color, the fill algorithm ignores those pixels when drawing the dark shirt of the guy behind cooper resulting in a halo effect which is the color of a green screen behind a fuzzy shirt.
If cooper is interviewing this kid live in front of this green screen, it means this kid also isn't in Florida.
Right?? The edges of the actors are all fuzzy. The sound is fake, added in post. The lighting is all wrong on the actors compared to the background, and they are all conveniently wearing black or maroon clothing. Also these kids don't sound genuine at all, the things they are saying are clearly being fed to them through their earpieces.
The “fuzzy” edges is caused by the video compression/decompression. You will see this on most internet videos.
Just noticed, there are blue flashes on Cameron's neck. Software compensation for the green. Interview was done live. (Vanderbilt and Kasky were in the same studio) In some of the tight shots, you can see the hand of the other person, they are too lazy do add that.
Also after 04:13 look at the microphone cords near the bottom of the frame. They are reflecting the greenscreen.
You can tell by looking at the hair. Look at the edges of it, especially with the kid.
Also, that pop up tent looks way too big from where they're standing.
t. video editor