Is there a way to force the company to return the money I have paid for my bulbs and hub so far? Even if it is arduous and cost me more money than I'm able to gain back I would be inclined to do it to signal my displeasure with this change.
The fact that they use ESP-NOW means they can be controlled (theoretically) by any ESP* that has ESP-NOW support. So far, folks have only managed to go the other way—to intercept remote key presses [0]—but I imagine it won’t be long before they suss out control of the bulbs.