It's rude to make a charity event about yourself.
Tom is invited as a speaker for a charity event and steps up to the podium.
Tom wants to make a speech.
Tom makes a moving speech highlighting the goals of the charity.
Tom brags about himself during his speech and attempts to promote his own brand.
Tom gains recognition as a talented speaker and feels good about helping the charity event become successful.
Tom is removed from the podium and blacklisted from any future events.