No need to be salty.
Magnetic was discussing this video last October, but it got no traction.
People come around when they are ready, or it takes time to get 100 monkeys.
Both of your mud flood threads have been great brainstorming.
Comets do seem to have led to resets in 1811, 1570, and 1490.
Perhaps the earth being a quarry (or geoengineered) facilitates the mud action.