Tim, I am so sorry it didn't work out. I think they treated you, and probably all the hires, very poorly. Really bad business practice on their part. They draw you in, make it fun and exciting, and then cut you off - - so incredibly tacky.
Best of luck with the next set of interviews and, hopefully, this time around you'll be hired by more responsible people.
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Mom to an amazing young adult AS son, plus an also amazing non-AS daughter. Most likely part of the "Broader Autism Phenotype" (some traits).