Sexual harassment
It was found to be an untrue allegation by a third party. You can of course choose to not believe them, but there was never any proof and everyone who works there denies it (and a lot of women work there), so take of that what you will.
poor work life balance
Very true
anti union
Linus is not anti-union. He said he would consider it a personal failure if his employees felt the need to unionize, but he supports their right to do so.