It’s estimated that Johnny Football missed out on upwards of $10 million that he could have made off of his likeness while in college. Instead the school and NCAA are the only ones pulling in mountains of cash from high level guys like this.
And none of them at stuff is gonna stick for the simple fact that it makes communicating less efficient. Languages evolve in the other direction. We don’t adopt new things in language to make things more complicated.
It’s a full time job. Additionally, students on academic scholarships can make money on those same skills while in school without their scholarship being revoked.