We like to use the narrowest spectrum antibiotics possible to limit side effects and breeding resistance. Also, the really broad spectrum ones are expensive.
Their username is literally medgremlin, I’m 99% certain they know about at least some fields of medical treatment.
I’ve been in clinical rotations and my attending physicians have been very clear about antibiotic use and there is a lot of clinical evidence and guidance for minimizing broad spectrum use.
Everyone knows you get a culture for an animal bite and then write a prescription for the single species of bacteria infecting the wound. It’s just procedure! Same for tick bites, definitely not just writing out amoxicillin and calling it a day, gotta wait two weeks and send in some blood work first to give the Lyme disease time to settle in and show up nice and clean.