Every team in my league still has a manager, however I don't think all are overly active. I would say there are 3 or 4 that sign in every day and attempt to watch and sort their team out when time allows (I'd add myself in that bracket). I'd then guess another 3 or 4 that sign in most days and are de facto competitive and can cause problems. Then there are probably another 3 or 4 that are once/twice weekers, probably a bit fed up or playing the game in a light sort of mode, with another couple of teams that are not looked after that much, yet not abandoned either.

From what I can tell every team's manager in my league has been on at least once this season. No players playing out of position or Bots as managers. Not may being ultra competitive however.