They have the hearings for several reasons. Ostensibly the primary reason is fact finding. Secondly, these facts are to be made public so that we theoretically have an educated electorate. And thirdly they us the facts to make new laws that they have no power to enforce. Only the second reason really matters in a republic with an educated citizenry. But we no longer have that because the MSM only tells the morons what they want them to hear. So there you have it.
TY. Gives me a better understanding. Sometimes educating responders makes more sense then arguing with them. Never assume that those you debate understand all that you do,