It's a pretty universal reason to dismiss or at least cast serious doubt on conspiracy theories. A close cousin of Ockham's Razor and Hanlon's Law
The amount of competence required to prepare a controlled demolition of a 110 storey trade center which is occupied 24/7 and full of cameras without anyone noticing and associating this prep work with the much publicised plane crashes that happened afterwards would be staggering, even before considering the insanity of such a scheme.
At the risk of opening a can of worms, the best evidence against the considerably more plausible "lab-leak" COVID theory is that manufacturing an alternative chain of evidence that convinces most unconnected foreign experts of an alternative theory (which still points at Wuhan and Chinese market regulations) when they have plenty of reason to find fault with it requires a lot of competence, as well as totally the opposite approach to China's usual way of suppressing stories.
The amount of competence required to prepare a controlled demolition of a 110 storey trade center which is occupied 24/7 and full of cameras without anyone noticing and associating this prep work with the much publicised plane crashes that happened afterwards would be staggering, even before considering the insanity of such a scheme.
At the risk of opening a can of worms, the best evidence against the considerably more plausible "lab-leak" COVID theory is that manufacturing an alternative chain of evidence that convinces most unconnected foreign experts of an alternative theory (which still points at Wuhan and Chinese market regulations) when they have plenty of reason to find fault with it requires a lot of competence, as well as totally the opposite approach to China's usual way of suppressing stories.