Maybe not, but it was still a little bit younger, so there should have been somewhat more asteroid strikes, even if only by a couple percent. Moreover, the din

Maybe not, but it was still a little bit younger, so there should have been somewhat more asteroid strikes, even if only by a couple percent. Moreover, the dinosaurs were around for over 150 million years. Hominids have been around for only about 2M years, and modern humans only about 200k. They had loads of time to observe asteroids, realize they're a threat to their existence, and develop advanced technology and an effective and credible space program to deal with the threat. But they were just too lazy, or too busy fighting each other, to bother doing this, and look what the consequences to them were.