Everyone in the world knows that with current AI, you need probably a quarter of content writers to deliver the same output.
To pretend that there is a possibility that there would be no effects on hiring is foolish. Not saying it would increase unemployment, just shift the work.
AI is death for people whose primary skillset was being proficient in modern western hemisphere English grammar, because now you can input a few messy sentences and have it output grammatically perfect, if not stylistically perfect, English.
It’s irrelevant whether they were writing filler or not, they had jobs, and someone was paying them, which means their produce had some value, both to the publisher and the consumer.
Otherwise, they’d simply be cut at some point, not replaced.
By this reasoning mob enforcers produce value to the society too. They have jobs, get paid and so on. So no, it's not true. Just because someone was paid it does not mean they produced some value.
The filler might have been a way to trick consumers into paying attention to ads. This is valuable for the company with the ad, but not the consumer.
To pretend that there is a possibility that there would be no effects on hiring is foolish. Not saying it would increase unemployment, just shift the work.