Certainly, it has been laid down in our holy books that the words of the aged should be listened to, but it does not apply to those who are very old for they are held to be boys.
श्रोतव्यं खलु वृद्धानामिति शास्त्रनिदर्शनम्। न त्वेव ह्यतिवृद्धानां पुनर्बाला हि ते मताः॥