Economically vendors have little to no incentive to fix this mess either, so it will haunt us for some time to come. Introducing a slew of devices that all need security updates into each household that falls for them doesn't seem all that clever.

A light bulb that can change its brightness and colour shouldn't be smart; it should be dumb as a brick and expose only those parameters that can sensibly and safely be set by a user — kind of like a normal light bulb does.