I listened to everything you sent and here are my conclusions:
1) First YouTube link:
I can’t put my finger on “Young and Beautiful” (Demo 2) and “Children of the Bad Revolution” (Demo 2). People have speculated that they are made with stems. Same for the “Is It Wrong” (Version 2), but this one seem to be real.
“Girl that Got Away” (Demo) and “Motel 6” (Alternate version) are fake because they are made up with stems.
I have never heard about that “Trash Magic” (Early mix). I don’t know from where it came up, so I can’t decide if it’s real or not. It’s the first time I hear it.
Other than these ones, eveything is real.
2) Second YouTube link:
Everything is real with the exception of “Cherry” (Vocal Mix) and “God Bless America” (Vocal Mix), which seem to be filtered a cappellas which makes them fanmade. The instrumental can still be heard.
There are speculations that “Summer Bummer” (Unknown Alt. Mix) might be fake due to the way it sounds and the very poor quality of the snippet. However, it came from the same person who teased “So Good” demo so it might be real. Might! I can’t say for sure.
3) Soundcloud link:
Everything is ok, but again I can’t pronounce about “Young and Beautiful” and “Children of the Bad Revolution” demos that are there and that are also heard in the first YouTube video.
Moreover, a couple of the song teased in this ones have been leaked:
I’m suprised because they are the one who shared the snippet of “Brooklyn Baby” stems, if I remember correctly. As for the others, I had my thoughts that they we’re fake indeed.