> I immediately said yes, even though I wasn't entirely sure. They wanted to play games, so I decided to play along.

The article never says the generated images were used to make a fraudulent claim, but its implied by the juxtaposition.

A few words to indicate that the challenge to break SynthID was for their own amusement would break this implication.

I guess it would be more accurate to say that it enables fraud. It's the same way proxy companies advertise themselves as "validation and data gathering" when in real-world use they're used for botting, ad farms, spamming engagement etc.