Did you even read the article yourself?
The title of the article doesn't even mention LEDS, and yet you do. The article is actually mostly about Compact Flourescent Lighting, and how damage in the phospor coating of CFLs bulbs occurs they are twisted during manufacturing, subsequently causing cracks in the phospors and which can allow dangerous UV light to leak, the UV source being the mercury vapor in CFLs, and there's the health risk.
Furthermore, it responsibly concludes that LED lighting has phosphors too, but that's the only similarity to CFL's ... the LED phosphors are energized by visible blue light, so any damage to the phospors only emits safe blue light.
It's completely factual.
What's your agenda here?