Who is going to pay for the malfunction and the false tripping damage caused. Home owner insurance companies will find a way to extract their fees by increased premiums.
Or insurance companies will write new exclusions to the policies.
In Texas, it is a state mandated policy that any home protected by Automatic Sprinklers will receive a 10% discount on their insurance. They don't false trip or malfunction. In fact, they are more reliable than your toilet which does overflow occasionally.