As a proportion of all easily crawled text on the internet, a lot of it will be random marketing copy. That influenced the writing style of early AIs, and since then everyone has trained at least partially on transcripts from every other AI chatbot
Don't be all-in. It's important for humans to be able to write for themselves, and also to stand by what's been written in their name, which is much less likely if someone/something else has done the writing.
(proofreading is another matter though.)
It stopped being infuriatingly sloppy and took time to ensure the article had integrity.
It did having said that I did burn through a lot of tokens trying to do a deep analysis cross data pipeline debug.