Most of them hinge upon incredible yet highly nebulous improvements to the technology to solve as-yet unsolved problems based on a lot of extrapolation based on hype and "dude trust me the next thing is gonna be great"'s from AI companies, and a generally poor understanding of how the technology works and what its limitations are.
The central logic error is something along the lines of "I don't understand the limitations of this technology, therefore it must have no limitations".
The central logic error is something along the lines of "I don't understand the limitations of this technology, therefore it must have no limitations".