The 43-year-old was heavily criticised for tactical inflexibility and failing to guide Boro into a play-off place in a low-scoring season, but also drew sympathy for losing key players such as Emmanuel Latte Lath and Ben Doak.
While arguments could be made either way, journalist Craig Johns says the lack of unity demonstrates why he feels the decision to sack Carrick was the right one.
"I can understand why there is division in the fan base and I think that in itself suggests it probably is the right decision," Gazette reporter Johns told BBC Radio Tees.