If that activity displeases somebody, this is only because it does not agree with his limited understanding of what is good.
That way if something is done that displeases you (say they plant a tree in the wrong spot in your backyard), you can inform them.
displeases a man, she is subject to having acid thrown into her face.
displeases many people.
Again, it is important that your child understands how much his behavior displeases you.