.In voyager's episode 'Pathfinder' they had secretaries and numerous other stupidities that are directly related to our century and the socio-economic system WE live in ...
I take it you're referring to Nicole, Admiral Paris's assistant (or secretary), you honestly think a Starfleet Admiral isn't going to have a staff? Nicole likely managed the Admiral appointments and kept him on schedule.
They were steering clear of such idiocy while Roddenberry was still alive, but after he was gone, it was downhill from there.
Roddenberry was the one who gave both Captain Pike and Kirk a yeoman, a yeoman is basically a secretary.
But you were saying.