A modern craft would not be made of readily flammable material.
The gas-bag and paint theory is debunked: https://www.airships.net/hindenburg-paint/
The "nobody died from the hydrogen" line is debunked: https://www.airships.net/hindenburg/disaster/myths/#advocate...
That the craft is made out of flammable material is debunked: https://www.airships.net/hindenburg/disaster/myths/#flammabl...
I don't see that claim in the comments you're replying to.
[1] https://en.wikipedia.org/wiki/The_Lone_Gunmen_(TV_series)#Si...
So, no, not especially conceivable. Or plausible.