They don’t value it because it’s free.
But more importantly, they later hold you accountable and you’re pretty much stuck in the loop of working for free.
You show them a few cool things. They invest. They then forget what you told them and come back to you like you owe them something telling you to show them where their money is invested, how it is invested, and basically ask you to track down what happened between then and now. Like no more. Lesson learned!