I'm not sure why so many seem to think anthropomorphism is so mad in this specic instance, if it is because people think that anthropomorphism creates a belief that the imagined features are real, they are simply wrong. The abundance of examples in all areas of life where this does not happen is proof that anthropomorphism does not lead to an erroneous belief in a mind that does not exist.

If people are believing in minds of AI, true or not, they are doing so for reasons that are different from mere anthropomorphism.

To me it feels like we are like sailors approaching a new land, we can see shapes moving on the shoreline but can't make out what they are yet. Then someone says "They can't be people, I demand that we decide now that they are not people before we sail any closer."