Do a quick survey of those who oppose the drop off charges and I'm willing to bet they are mostly over 50 years old.
Times have changed, the airport needs to find ways to survive. I would happily pay this fee if i know its going to a good cause - keeping my local airport open.
SWITCH TO PUBLIC TRANSPORT BY TAKING THE TRAIN/BUS AND/OR SHARE A CAB AND EITHER AVOID OR PAY A LOWER FEE PER HEAD.