When you have a meaningful relationship, it can be disloyal NOT to speak up.
Seth's Blog: Exit, voice and loyalty, 2018-Apr by Seth Godin
Loyalty, then, could be defined as the emotion that sways us to speak up when we're tempted to walk away instead.
When your loyal customers speak up, how do you respond? When you have a chance to speak up but walk away instead, what does it cost you? What about those groups you used to be part of? I've had the experience several times where, when my voice ceased to be heard, I decided it was easier to walk away instead.
Voice is an expression of loyalty. Voice is not merely criticism, it might be the contribution of someone who has the option to walk away but doesn't.
In Exit, Voice and Loyalty, Albert Hirschman explains how this overlooked mechanism of the world works.