I hate stories like this... it brings out the self righteous (i have done no wrong) hypocrites. Seriously some of the people posting act as if they live a perfect life with no wrong.
You are being prejudicial and judgmental about other people, accusing them of being likewise. Here is where you are wrong. Dr Dre's treatment of women is a huge part of what made his celebrity status, along with anglophobic, homophobic, and antisocial behavior, and lyrics promoting such. Everything he profits from now, including his Beats deal, is built on the backs of the victims of the persona he claims.
He's basically saying "I'm sorry, that's not me anymore, but I'll continue making money off of that 'me'". Now if banned distribution of his former albums and gave his money to the families of victims of rape, murder, theft, and other crimes perpetrated personally, on his behalf, or at encouragement of his music, and came out publicly condemning violence against women, police officers, convenience store owners, homosexuals, and other groups, then sure, I would buy his apology. In the mean time, I will watch him wipe his crocodile tears with Benjamins and shake my head in confusion at those who so deliberately back this pied piper.