Hehe, yes, every coin has two sides. Put that plane remote, you can board with two busses, but need two set of steps, busses etc. Put that plane on the jetway the passengers will be slow as snails...
If you have an overlook on the Ramp staff vehicles and know if they are available, I would tend to remote. But of course lets say 757/321 max.
BTW - keeping control of the passengers boarding rows is good but enforcing this you need at least two or three boarding gate staff. And personell is limited these days as airlines pay peanuts to the handling agent and they cut costs with reducing personell. That's the business...
Greets to all,
Trabbi