I think how you view this depends on whether or not you think the kid was displaying genuine talent or not. We don’t know enough about the back story to make a snap judgement determination about that. Let it go and let the parents work is out for better or worse.
To those who do not see this as ‘enjoyable’ to watch....
The 49’ers invited him to preform at the 4ourth quarter....and here he is in this video....
https://www.youtube.com/watch?v=CQjbWBcifkg