It's so horrible. The human element has been completely removed and replaced by..... mediocre.
No it hasn't. The human element is still there, prompting the LLM. The change is that the human is happily accepting the first thing they get rather than critically looking at it and seeing a problem.
Humans are seeing either a shortcut to go faster (accepting low quality to move on immediately; reasonable if they're short on time) or a shortcut to lowering effort (accepting low quality because they don't care; not so reasonable but probably has a deeper root cause).