Salty, I saw a theory recently that the big comet

Salty, I saw a theory recently that the big comet that killed the dinosaurs was the best thing for mankind, or a big volcano could have killed the dinosaurs too, That because man after the dino's were gone did ot have to live in caves because of fear of being eaten. And they were then able to grow crops. Sounds good to me, but i wan't there, lol.