No it's not. We are not at the stage where reality is completely indistinguishable from fiction. We are still in the uncanny valley. Nothing is inevitable
This is like trying to hide Photoshop from the public. Realistic AI generated videos and adversary-sponsored mass disinformation campaigns are 100% inevitable, even if the US labs stopped working on it today.
So, you might as well open access to it to blunt the effect, and make sure our own labs don't fall behind on the global stage.