Does it paint him in a bad light though? He's standing up for his wife's honour, old fashioned I know, but women will respect that.
In Hollywood controversy and drama sells, it keeps celebrities in the public eye. There will be talk show appearances, Will Smith and Chris Rock will be in hot demand.
After apologies have been made the public won't care one bit.
It's the way showbusiness works nowadays, make a big stunt get people talking, raise awareness of an issue, get people watching and taking interest. Viewers = advertising = money. Next year's Oscars will be probably follow a similar tact, because viewers are expecting something to happen. Notice how Chris Rock said "it's the greatest night in television", yes of course because that's what you ultimately want people to think at home.