Of course some of the bright minds become lawyers, doctors etc. They were brought up in a home where the values were hard work and a comfortable lifestyle.
Some of our bright minds become Roshei Yeshiva and klei kodesh b/c that’s what their values are.
What to do about it? We need to teach our children the value of torah and of being a one of Hashem’s emissaries to disseminate it. Think about what a zechus it is to have such a child!