i agree @frogman
as much as we appreciated what hp brought to the party, in the later years i feel the success and respect gained led him to become harder and harder to take (your word 'blowhard' is well chosen imo), i remember reading his later reviews and writings, remember many eye-roll moments
jgh, otoh, stayed solid with both feet planted on the ground and brought in the next gen of writers and reviewer which i grew to like and respect - i remember the early corey greenberg writings on nht and audio alchemy... ground breaking real hifi for us at the time starting out with small budgets, but loving music and hifi