I’m familiar with this of course, but it’s conditioned on a chat program that actually tries to appear human, and the credulous reactions to ELIZA were mostly lay people who otherwise hadn’t used computers before. Likewise, some people, famously including some software engineers, believe that certain AI chatbots are sentient, which also doesn’t falsify the linked study. (This argument holds regardless of whether you consider AI chatbots to be sentient or not.)