if it did leak from a lab, we should shut these labs down.
Instead, the significant economic and health costs could have been significantly mitigated by the response of governments. That’s going to be more important for preventing harm in the next pandemic. Even if it was a lab escape, how does shutting down the labs help for the future? They are also a defence against the next pandemic
Frankly, any solution that does not in some way involve "how can we prevent or reduce the incidence of this kind of problem happening" is political nonsense to me. Even with the most effective defensive protocols, a pandemic-grade virus costs a staggering amount of resources to deal with.