Not OP, but the whole "AI using em-dashes when people writing would use commas" is very annoying given that the em-dash is readily available on my phone (hold on - to get one) and on my computer (compose - -), and I only started using it because people pointed out that commas are incorrect in this instance :(
FTR I don't, and have never used AI to write or do any "creative work", because it's not creativity if it doesn't come from you.