And vets don't have to sit there day after day watching a husband or wife sit lovingly next to their partner who can't remember them, or worse hurls abuse at them, or can't speak, etc. Or a dying person that their family can't be bothered visiting, etc.
They can both be immensely horrible and also immensely rewarding jobs, it's not a competition.
There's a TED talk on just how shitty being a veterinarian is. https://www.ted.com/talks/melanie_bowden_dvm_what_being_a_ve...