The alternative is… what? ‘Defending’ against the use of Em-dashes by LLMs? Or people reacting to that?
You might as well be sweeping a flood uphill.
Tilting at windmills at least has a chance you might actually damage a windmill enough to do something, even if the original goal was a complete delusion.
In other words, I really hope typographically correct dashes are not already 70% of the way through the hyperstitious slur cascade [1]!
[1] https://www.astralcodexten.com/p/give-up-seventy-percent-of-...