Hux headcanon
Hux cares a lot about his men. He’s not sentimental about it or anything. Like he has no qualms about sending people out into battle or dolling out punishments for breaking rules, and the needs of the mission always outweigh everything else. But he likes to think that he is reasonable when he’s deciding something case-by-case, he doesn’t really have favorites, and he’s always trying to make sure his men are well provided for. He tries to shield them from Kylo’s temper tantrums (Snook doesn’t take an active interest in the day-to-day things most of the time) and make sure their accommodations and equipment are up to standard. He won’t leave people behind or sacrifice excessive numbers of soldiers unless absolutely necessary. He will always take at least partial responsibility for mistakes made by those under his command (even if he reprimands/sanctions the person who made the mistake later personally) and he works just as hard as any of his officers.
All of this leads to Hux having an overall good reputation in the army. He’s often feared but rarely despised. (And Kylo secretly admires this about him.)