To steel man a bit, they're also trying to make things as easy as possible for the generic public that they want to buy their device, who doesn't know what a hub is, and definitely doesn't want to learn, to turn on a lightbulb.

Sure, nothing is stopping them from offering both.

The fact that the engineering effort would be diverted to something that targets a small fraction of a percent of their customer base is a perfectly valid reason to not do it, especially when that engineering effort could be put towards making the product better for the other 99.x% of their customers.

Except it almost guarantees the product will become useless in a few years, which makes it worthless now.