that is not true . ゼェ and ハァ are used similarly there is no hierarchy between more exhausted and less exhausted . the same way wheez and puff are different but you can not tell if one means someone is more exhausted than the other .
zorotard brains are so rotten they think there is a power ranking even to onomatopoeia .
you can see in this site a zorotard trying to get a translator to say lucci is more tired but is constantly told by him there is no distinction
https://ja.hinative.com/questions/25444996