See my post in another NEU thread; here is an excerpt:
Truthfully, sometimes there is no good explanation, and you can make yourself crazy asking “why?” This happened to my son at another college - he had a very strong application and we were really surprised that he didn’t get in. (and yet he got a great offer from NEU) It’s frustrating but there’s not always a good explanation for an individual decision, and sometimes you just have to say, “It’s their loss.”
Except in your case, you actually have what I view as a great option (except for possibly higher cost).