Jeff Liebermann wrote
Rod Speed wrote

Much more likely he doesn't actually have a ****ing clue about the
basics.

https://www.linkedin.com/pub/j-scott-elder/48/217/717
28 years experience in analog IC design. 16 patents.

Clearly doesn't have a ****ing clue about how to calculate
how long a LED light will last compared with an incandescent.

Some of his blog articles:
http://www.planetanalog.com/archives.asp?section_id=526

Are you really qualified to judge whether he has a clue?

Anyone is with that stupid claim about how long a
LED light will last compared with an incandescent.

I think not.

Not a shred of evidence that you are actually capable of rational thought.