If it's anything like my experience then one thing to switch to React or any frameworks would be for better developing experience. For simple pages templates a

If it's anything like my experience then one thing to switch to React or any frameworks would be for better developing experience. For simple pages templates are totally fine and frameworks might be overkill but when the projects starts getting big stringing templates together can be quite painful let alone debugging them. Just my opinion though but I'd also like to hear the actual reason for the switch.