dunno does people use him in normal teams i was super lucky i got him in mission box general 80x2 last year i got some frags from home(bond nijas) and events
so i max skillbook him :P
i use him always in fox

works as charm xD even if i dont spend CP in fox i get top 5-6 ranks...
i am w8ing him to get more books like on china then i will use him in team :D