Their proof is a couple accounts in China asked the chatbot how to convince Americans to not want datacenters in their backyard...
If I asked a chatbot how to convince someone to not like getting punched in the dick, them not wanting to get punched in the dick doesn't mean there's a grand conspiracy and that's why Bob got mad after being punched in the dick.
Bob didn't need anyone to tell him not to like getting punched in the dick to have that response.