[teawrecks]

Think doors and keys then. Or "smart locks" and "biometric scanners" if that's still not modern enough for you. There's a cost to convenience. Yeah, it'd be really convenient if your house didn't have any walls, you could just walk into any room from anywhere else. But so could any untrusted party.

Bugs and therefore vulnerabilities are inevitable. The larger your attack surface, the more likely some rando is to find a vulnerability and exploit it. No walls is real convenient up until someone unexpected walks right in and trashes the place.