Like telling everyone you'll build a 200mph underground autonomous network for vehicles and you end up building a 1-way tunnel as a proof of concept.
Or dressing someone up in a green man suit to sell a functional humanoid robot.
Or telling people you'll build everyone a ventilator and sending them sharper image cpap machines
or...
https://twitter.com/elonmusk/status/1590884973535711232
I don't know. I don't see a law against tricking people in the Bill of Rights.