Yeah I watched a bit of it last night and it seems that all the people who worked as leads on Halo 4 either moved, quit, or were reshuffled by Microsoft. Which then allowed the opportunity of everyone who worked on Spartan Ops move to the campaign - that makes perfect sense as to why everything in campaign was so dreadfully boring. Raycevik really goes in-depth at the personnel shifts which I don't think TheActMan ever considered.
I didn't hate Spartan Ops when I played it on Halo 4, but there was also a certain percentage of that was stale and some levels really put you to sleep. Palmer sadly suffered the most because I think she could've been quite interesting, but they made her so vanilla, especially her dialogue that she was as boring as Tanaka, Vale, or how they turned freakin' Buck into a machine as well. I do think the game suffered from a lack of direction as well, I do buy the rumours that they wanted to do is an open world Halo game and ran out of resources which made the game turn into the rubbish that we got.