Just going by the history of this particular source, I would say the drawings of a prototype J-20 mounted with a stealth optimized WS-10 with the right prototype number, right color, and right engine nozzle shape counts as solid details. As would drawings of the J-10 TVC testbed with the correct shape and form of the TVC nozzles. In the most recent image there were enough details to identify the engines in the picture as AL-31s. Whatever the artist has chosen to include so far, insofar as the most obvious and relevant details of his drawings, has matched up quite accurately to reality. When said cartoonist’s information leads us astray we will reassess the quality of the source. So far that has not happened.The report was a debunking as such it depended on details to prove 1) the where. And when.
2) the what.
Doodles don't have solid details other than whatever the artist chooses or has chosen to include. That may result in details or it could be chasing tail.
The Article was a debunking. IE proving it's a fake. Yet it's. Getting attack for taking lengths to cover bases.
To quote the conclusion of the article,
“There is a small chance this is a remarkable “scoop” of a story, but a much larger chance something else is going on in this photo or with claims of its origin. In any event, this is one of the most bizarre and interesting aviation stories we’ve seen in some time.”
This does not read like a debunking. Rather it reads like an attempt to milk a mystery narrative.