"Ask the pilots of the two 'stealthy' F-117s that the Serbs successfully attacked with radar missiles in the 1999 Kosovo air war."
You omitted the two largest factors: air force arrogance and incompetence.
It calls into question the whole article.
The USAF only lost one F-117 -- not two.
They didn't say we lost another F-117, only that it was "successfully attacked".
"Some American sources acknowledge that a second F-117A was also damaged during a raid in the same campaign, and although it made it back to its base, it supposedly never flew again." - Wikipedia
I've seen Winslow Wheeler a number of times on C-SPAN and he appears to be very well informed.