IT professional here, cheap initial purchase means that when I go to my boss with the required ‘3 options’, DESPITE me detailing why HP is super terrible and expensive long-term, they will ALWAYS insist on the HP.
Add onto that brand recognition and it’s basically impossible to convince any site I work on to switch to Brother unless they directly experience just how unreliable and expensive HP actually is. Even then it’s still a 50/50 if they’ll make the rational choice.