I suspect this is a big driver of the switch. Parents that do not want to give their boys a name that will cause issues later on.

Back in school it wasn't a problem, people knew "Loren" was male, "Lauren" was female. Now, an awful lot of people don't. It's an uncommon enough name that even if you were around back when that's how it worked you very well might not have known it.

As an adult I routinely get misgendered, but it's a so-what to me.