However, in this case, it does seem that there is a level of fraudulence and deception. Given that “fake” often is used exactly the way you say, maybe “fake intelligence” would indeed be a more appropriate term.
[1] Synonyms of artificial has "faked" : https://www.thesaurus.com/browse/artificial
[2] Synonyms of fake has "artificial": https://www.thesaurus.com/browse/fake