Yes, you missed something. Nobody cares (or asked) about a former prosecutor's opinion. WTF? You asked me, "Where did they quietly mention that?" I gave you the article but you do have to read/understand it and not get lost in the weeds.
"That review has not found any apparent business advantage to the types of classified information in Trump’s possession, these people said. FBI interviews with witnesses so far, they said, also do not point to any nefarious effort by Trump to leverage, sell or use the government secrets. Instead, the former president seemed motivated by a more basic desire not to give up what he believed was his property, these people said."