These heuristics exist because simpler answers are more likely than complicated ones. They're a mnemonic that helps us remember that trend in the universe.
Is it possible that there is a shadowy cabal of Illuminati and banker Jews actually perpetrated 9/11 and the towers were destroyed from the inside? I mean... it doesn't break a law of physics directly, but it sure seems like it would be much tougher to organize and keep secret than the official story.
Same applies here. There is a big pile of evidence that the room had been full of fireworks and spilled ammonium nitrate for years. Heck, that NYTimes article has photos! It muddles the water for the gullible to propose minimalyl substantiated theories.
Those QAnon folks will believe f^$*@ anything, lets not give them ammo.