IMHO, The Monkees got an undeservedly bad reputation at no real fault of their own. For the most part, others were writing their music but that is not uncommon. They were fighting with the producers about performing on screen and for control of the recordings but were overruled so that aspect was not really their fault either. If nothing else, they were doing the singing in the recordings and backing tracks.
I think the real issue is that the public was not aware of all the things when the curtain was pulled back to reveal the people behind the curtain. Most all of what was controversial then happens every day now but is not an issue. Does anyone believe George Clooney wrote and sang "Man of Constant Sorrow"? Same difference in my opinion...