Ok so, this is very janky

but the potential is there isn't it
Of course! It is possible to make excellent videos with AI. My problem with AI is not about quality, but rather a matter of principle. I am someone who values art and artists, and AI is the opposite of that. I have used free apps and free accounts, but if you want to pay, you can get high-quality videos. However, most of the ones I know do not allow you to use nudity or pornography, and the result will vary greatly depending on the models that each app or site has.
For example, you found the result very janky. But there are more absurd things that AI does even without you asking. Like Bob's dick exploding! Maybe he was too excited

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You waste time on trial and error, but it's still much faster than positioning the animation and rendering the video. My computer would take maybe days to make an animation like that in daz studio, while the app does it in 10 seconds.