I hate them, but our UX designers use them everywhere. I try to fight back, but their "usability studies" always comeback in favour of modals. I really don't g

I hate them, but our UX designers use them everywhere. I try to fight back, but their "usability studies" always comeback in favour of modals. I really don't get it. We're doing mostly SPAs, so any back-button would be as fast as closing the modal.