Again: The only stunts that will be allowed at CharGen will be from the list of approved stunts. I intend to be pretty exhaustive as to what I will allow, so that balance is where I want it to be.
This isn't like a table-top Fate game where people can just invent stunts willy nilly As the person coding it up and in control I have control over what is allowed and what is not.
Unlike some places, I have /zero/ problem telling people 'No.'