You can combat that to some extent by giving the model a style guide to curb the worst excesses, but some are likely to still slip through.
It doesn't bother me much personally, but for plenty of people it's a nails-on-chalkboard thing.
[1] For example, the problem with the em-dashes is not the em-dashes, but that it's just another case of getting hit with punctuation every few words.
> Not sure why people hate so much AI generated text if it makes sense.
1. It says you did not put much effort in it
2. It is grating to read
3. It's dehumanizing