You write a sentence and get out media... what more personalization are you looking for?
And no, labor is not a factor in the way you tried to frame it.
There is absolutely no one tying up $250,000 in GPUs to let users spit out a funny clip of Sam Altman jumping over a chair because they think that's a smart way a way to get out of paying artists.
> I don't get why this keeps being framed as a labor thing
It's inextricably linked with labour. That doesn't mean that labour is only factor but it's an important one nonetheless.