Well if you care about democracy, they are the only power that can arguably undermine it, not just at home, but worldwide (tiktok, fueling division, funding antidemocratic parties like Germany's AfD).
Further, look into their support of Russia in their war of conquest against Ukraine, the treatment of their neighbors like the Philippines and look into what their fishing fleet is up to worldwide.
Further, look into their support of Russia in their war of conquest against Ukraine, the treatment of their neighbors like the Philippines and look into what their fishing fleet is up to worldwide.