Trademarks have the "enforce it or lose it" clause. This causes companies to be forced to go after all non-commercial use of the trademark, causing hassles for

Trademarks have the "enforce it or lose it" clause. This causes companies to be forced to go after all non-commercial use of the trademark, causing hassles for the people they are going after, and money for the company. That doesn't necessarily mean that your idea is a bad one, jut that you have to watch out for unintended consequences.