Regarding Tatsu, there had been a feeling for some time that he had really regressed in the ring.
It's said that Brodus Clay fell out of favor with WWE creative.
Long's contract expired and it was well known within WWE that he would be leaving soon.
Out of all 11 releases, the releases of Camacho and Hawkins came as the bigger surprises to people within WWE. Camacho was very popular within NXT circles and Hawkins had several more years left on his current deal.