Probably due to Temu, AliExpress and other Chinese suppliers. I guess this has to happen.
Essentially, if society goes back a few hundred years, we don't need electronics or parts. Our current electronics will slowly stop working as parts fail with no replacement parts.
Like the joke goes, what did we use before candles? LEDs.
They occupied a different niche than what the Chinese suppliers operate in. NTE was replacement devices.
According to sources I've read, it was sold in 2022 to new owners who ran it into the ground.