They've got to deliver twenty-six episodes a season and they're not going to beat their heads up against a wall if they feel something didn't, like, pan out the way they had hoped. ↗
Often extinctions in the ocean occur at the same time as those on land. Then again, the ice age extinctions lost many big animals, but not many sea faring ones. ↗
The Athletic Association competed against the University. So there was an event. You cannot break world records unless it is an established event, and you have three timekeepers, and the whole thing is organized. ↗