And how do you know it wasn't just edited by someone who loves em-dashes?
comparing it to the average doesn't matter too much. Better evidence would be proving that there has never been a bill with anywhere close to the number of em-dashes used in this bill.
Yh I get your point - post is not necessarily designed to prove AI use (it's already highly probable, and not necessarily bad by itself in theory) it's the implications of it that are more interesting than deterministic evidence of it, but by showing evidence of it being likely - updated the post to reflect a better baseline.