Comment by TeMPOraL

> A consumer will pay $10/mo and

> ask for the moon. Threaten to leave.

That's normal business thing. What significantly helps reducing this, though, is the business is not promising the stars and engaging in all kinds of dark patterns with deals, cancellation friction, etc.

> Get angry at an email.

Particularly e-mail they did not ask for, and is not directly related to the thing they're paying $10/mo for.