Finished it last night. 100% agree with everything you've said. That last episode in particular was very unsatisfying. I don't know how a show manages to spend 8 episodes presenting question after question without ever even remotely trying to resolve anything, and is satisfied to wipe their hands and call it a wrap for season 1.
Particularly infuriating was Jane Kaczmarek's character, Cal. She walked around the entire time with all the answers (or at the very least
explanations,) but decided "cryptic" was the way to deal with everyone. No matter how crazy shit got, she spoke in riddles and refused to explain herself or actions to the very people she needed to "trust" her.
Just looked it up to see when season 2 begins, and found
this article. Apparently, the enigmatic first season was by design. I'm not sure how effective this will be ultimately. Personally, I'm not sure how long I'm willing to wait or if I'll even remember enough of season 1 to make season 2 satisfying. There's a good chance that when season 2 drops (months from now at BEST,)
The Changeling will have long left my mind, and when season 2 pops up, I won't want to be bothered to start it again.