One of these things is not like the other.
China's horrible shark fin soup trade is certainly not the only driver of shark extinction: https://www.greenpeace.org/international/story/46967/100-million-dead-sharks-its-not-all-about-shark-fin-soup/
If you eat fish, you're participating in it too.
On the other hand, the United States is destroying our entire ecosystem with greenhouse gasses and other pollution. That includes sharks and all other aquatic creatures but also birds, insects, wild mammals, https://xkcd.com/1338/ and everything else.
That said, you are perfectly reasonable to ask where the numbers come from, particularly since Umair is sloppy with fact checking.