That's not right. You've just based your assertion with a faulty assumption that a bulb has to be smart - sure the analogy breaks down. But, the parent is makin

That's not right. You've just based your assertion with a faulty assumption that a bulb has to be smart - sure the analogy breaks down. But, the parent is making an analogy about a "dumb" bulb - both hammer and bulb are tools. Hammer is used to hit nails and a bulb is used to illuminate dark spaces. A manufacturer of "dumb" bulbs doesn't have to continually expend resources to keep your bulb operating, secure, and compatible with other devices - simply by the virtue that the bulb isn't a smart bulb. To fail your analogy criteria, the bulb just have to be a "dumb" one or the hammer can be a smart-hammer (you can concieve that for the sake of a thought exercise).