Calling is the wrong medium. Front line agents can book and change tickets and perhaps assist with other specific tasks. But, they don't handle broad-based policy concerns. AF provides a simple webform for generalized complaints and you should use that.

The other advice on this page to the effect that AF will not care and that the most you receive will be a cut & pasted response from a bot should help you determine whether it is worth the increase in your electric bill it will take to transmit the form.