Writing biographies and go out with accusations after people are dead are always petty.
For sure we know Steve wasn’t the perfect father. Who is?
But it’s not that he even can defend himself now.
So who knows how big the lies and exaggerations are?
For the biography to have any value at all, she should have written it while he was alive.
Wouldn’t pay a dollar for her trashing him without limits now to makes sales go up and $ go in for her.
Bet she inherited enough to pay him some respect.