Scheduling isn't stock market, you don't need a live feed for that. All such a bulb needs is an accurate date and time source - the rest, including (if you also add one-time geographical area input) the sunrise/sunset times can be determined with a little bit of trivial math on the uC that said "smart" bulb already has.

All that IoT stuff doesn't need Internet access. Hell, most of it doesn't need much of a network at all, but just having them default to intranet would deliver all the value without the problems (and the rent-seeking).