Diamonds wasn’t even explicitly rogue I don’t think.
They kept some continuity with the ending of OHMMSS. He was out for revenge on Blofeld, period. It wasn’t an explicit mission. M lightly chastised him about getting back to work after Blofeld’s apparent demise, but otherwise let it slide.
This was a bit nasty, even for Sean’s Bond.
https://youtu.be/R7HYLPk-ra4