Called 3 times, spoke to 2 supervisors and a second-level supervisor. Nothing doing. "There are people already with seats assigned in row 3 and we cannot kick them out. You'll have to sort it out at the airport on the day of flight."
I asked who has the power to move these people out of row 3 and the answer was nobody except the gate agent on the day of flight.
I do wonder what's going to happen at the airport. If they downgrade us from MCS to main cabin (which seems like the only possibility since a child cannot be in an exit row), do we have to pay for baggage? Food?