Were Dinosaurs Dying Or Thriving Before Their Extinction?

For years, paleontologist and onlookers were only concerned about the day the dinosaurs died, which was brought upon them by a giant asteroid. And no one was asking about how they were doing right before the collision, that is until recently, when new research suggested that dinosaurs may have actually already been going extinct. This spawned an entire new debate, which has now lead to two schools of thought, both with their own supporting evidence, which raises the question: who is right?

Thumbnail: Liscianigiochi

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Sources:

https://www.thehindu.com/sci-tech/science/dinosaurs-were-in-decline-even-before-extinction-study-finds/article65913460.ece#:~:text=Photo%20Credit%3A%20Reuters-,The%20long%2Dterm%20decline%20in%20global%20dinosaur%20diversity%20may%20have,fossilised%20eggs%20in%20China%20suggests.
https://www.smithsonianmag.com/smart-news/study-suggests-dinosaurs-were-decline-asteroid-struck-earth-180978097/
https://www.nature.com/articles/s41467-021-23754-0
https://theconversation.com/dinosaurs-were-already-in-decline-before-the-asteroid-wiped-them-out-new-research-163624
https://www.nhm.ac.uk/discover/news/2020/november/dinosaurs-were-not-in-decline-before-the-asteroid-wiped-them-out.html
https://www.newscientist.com/article/2282511-dinosaurs-may-have-already-been-going-extinct-before-the-asteroid-hit/
https://www.cnn.com/2020/11/18/world/dinosaur-extinction-intl-scli-gbr-scn
https://www.imperial.ac.uk/news/190446/dinosaurs-were-thriving-before-asteroid-strike/