To be fair the lab leak theory implies those working at the lab knew what they were doing, had a decent idea of the risks, continued to do so anyway, then were

To be fair the lab leak theory implies those working at the lab knew what they were doing, had a decent idea of the risks, continued to do so anyway, then were incompetent enough to allow the leak to occur. Or worse, deliberately released it. Viruses spread from animals to humans with some regularity all over the world and such an occurrence doesn't imply incompetence among those who should know better etc.