It’s relevant to who he was. He even recorded it for posterity for us by writing about it. It’s not like it was a big secret, pretty much everybody who knew him knew. There’s a 100% effective way to not have one’s history of being a scumbag wind up in a bio-pick about you: don’t have a history of being a scumbag. He failed that test, over and over and over again, bragging about it in writing. HE turned his life into sensationalist clap trap, they’re just admitting it.
Have much of an axe to grind?
Your diatribe reeks of resentment.
Who cares if Einstein had sexual escapades. That by the way doesn’t make him sexist. It confirms him as a genius who was human.