Yes, but the majority of those devices, at least the ones with enough KB, use C or C++ for hardware integration or some interpreter, with the rest of the stack in something else.
Everything else usually has other languages available as well, one just needs to search for what is out there.
The interesting question is what will mobile devices, the IoT and embedded devices in general be programmed in? C and C++ are popular choices today, so the trend is not really "unmistakable".