Here's the practical problem: every smart device is another internet-connected door in your home. A camera or lock that can be accessed remotely can also be hacked, misconfigured, or knocked offline, and then the safety feature becomes the vulnerability. The other side will say alerts help, and sometimes they do. But a system that depends on wifi, cloud servers, and updates can fail exactly when you need it. A dumb lock doesn't get ransomware. So on balance, adding more connected complexity makes us less safe.