OP should learn a thing or two about probability distributions. Yes, anyone could write an em dash if they wanted to. Few people did, because to most it was ad

OP should learn a thing or two about probability distributions. Yes, anyone could write an em dash if they wanted to. Few people did, because to most it was additional effort without making a difference. If in a random text in a situation where em dashes were hardly used before, they are suddenly used everywhere, something is fishy.