Just went out to the link provided below and asked this question in their on-line chat:
"Are your LED Headlight bulbs US DOT compliant in all 50 states?"
Within 15 seconds I received a one word response "No"
There may be DOT legal LED headlights out there it's just not the ones at the link provided below.
Buyer beware. The website does not disclose the DOT non-compliance anywhere that I found. When I asked about the disclosure I received the response "Once again, the bulbs are not US DOT compliant."
They do however disclose that if you purchase and then return the product there is a 20 percent restocking fee.
BTW, I never implied that anyone was an idiot. I just try to be a responsible and informed consumer when it comes to the lives of my family and others travelling the same roads.
Here is the website for a firm that clearly marks their products DOT Compliant.
https://www.vehicode.com/products/led-headlights.html