High fenders can block quite a bit of radiator, they also keep mud off radiator.
Low fenders really keep crap off everything but if you ride in lots of mud they can pack up and lock the front wheel. Rare however. Low fenders usually have built in fork guards if running usd forks. High fenders you need to source plastic fork guards.
Other than that it's looks primarily for an adv bike.
We're not out here to rough it. We're here to smooth it. Things are rough enough in town.