Some of them were ringers for paid actors, imo.
Others may have been legit tomboys.
Personally, I thought that Jordan, Tony and Ryan (from the second vid) all looked like they were terribly uncomfortable and that they whole thing was dysphoria-city for them. Trans? Maybe. Or possibly they just weren't comfortable in those outfits.
Aimee was the only one from the first video that struck me as being even half-ass legit. The rest seemed like paid actors to me.
These sorts of shows are really cheap shots at non-conforming female-bodied persons, imho. Unfortunately, shows like this are how many persons learn about transsexuals, intersex conditions, and other sorts of persons. Shame, shame.