OK, but please don't do what pg did a year or so ago and dismiss anyone who wrote "delve" as AI writing. I've been using "delve" in speech for 15+ years. It's just a question where and how one learns their English.
I don't buy the pro-clanker pro-em dash movement that has come out of nowhere in the past several years.
Anyone who makes errors like this should not be talking.
I would personally avoid writing that "poorly composed sentences" have an "affect"—rather than the writer having or presenting an affect, or the sentences' tone being affected—as I find an implied anthropomorphizing of "sentences" in that usage, which anthropomorphizing isn't serving enough useful purpose, to my eye, that I'd want it in my writing, but I'm not sure I'd call that an error either.
What did you mean?
> Commas and parentheses can do it all, and an excess of either is a sign of poorly edited prose.
This attitude, however, is a disease of modern English literacy.