Bisping took the Diaz tactics of drowning him with pressure. Even when Cung tagged Bisping he would be right back in range making Cung work. If you're like Bisping and you have a resting heart rate in the low 30s that's going to work.
ALOT of guys in the division would succumb to that. I think you're taking credit away from Bisping and how he contributed to Cung not looking his best.
Personally I thought Cung looked like Cung anyway 