LED bulbs for refrigerators and freezers are pretty easy to design since the lower temperatures will let the LEDs run more efficiently. Oven lamps might never get LEDs because normal solder starts to melt around 350F and will soften around 200F so unless they start making the bulbs with exotic and expensive solder we will never see LEDs in the oven.
Well there is the asus AI Accelerator card but that’s just 8 coral TPUs. I think the real reason why we don’t see large TPUs is because nvidia cards has had tensor cores built into the architect since Volta and with a GPU you don’t have to worry about system memory speed since you have 80Gb of HBM.