Omitting is lying when you know the information withheld will change the outcome of a persons perspective on how they should weigh their choices on how to maneuver the situation. It can be considered as manipulation. Withholding information deliberately is deceptive. So yes omission is lying!
If she was a man the praise and respect she'd have would be that of Bill Gates and the like. She raised, created and moulded 3 millionaires and 2 billionaires.