Same. I use it very occasionally for parenthetical phrases because I just think it's the most appealing way to do so.

You can do the things all GenX people learned on typing class, the double hyphen.

Also, we double space after periods. That's a hard but of muscle memory to get out of my head.

Source: Me. A in typing. 1984.

If it's any consolation, it's heavily biased in the training data for a reason, you're not alone