> You want to build up a body of complaints to give your congressional rep something to make noise about.
Congressional reps tend to care more about evidence that either donors they rely on or voters in their district care enough to take substantive action than numerical volume of complaints or even substance of the complaints (ease of complaints degrades value more for Congressional reps than even for aviation officials, as the latter are more likely to have some concern for the subject matter and rather than merely the political calculus.)
The voters in their district are the people complaining. Boston Logan rerouted air traffic to climb out over the city rather than the harbor. This has led to long daylong stretches of overflights every 90 seconds. Katherine Clarke, Stephen Lynch and Mike Capuano have been beating a drum about this for the past two years. The point of generating complaints is to give them an artifact to wave at the FAA.
Congressional reps tend to care more about evidence that either donors they rely on or voters in their district care enough to take substantive action than numerical volume of complaints or even substance of the complaints (ease of complaints degrades value more for Congressional reps than even for aviation officials, as the latter are more likely to have some concern for the subject matter and rather than merely the political calculus.)