Bing being the best search engine for porn would be a major loss. With Google image search getting rid of the ability to disable safe search Bing is the only good one left.
Why do company's facing any difficulty always grab new CEO's from the suits club? Career executives do not have the insight to make company's become huge successes. It takes someone with the entrepreneurial spirit to do so. Rockefeller, Jobs, Gates, Carnegie, Ford, &c are the guys that start with basically nothing and create empires.
This is what Microsoft needs. Someone with vision, who is willing to take risks. The managerial types that embed themselves and move from company to company as high rank executives do not have this. All they know is to cut costs and improve efficiency to boost next quarters profits for the best bonus possible at all costs to the welfare of the company. Their motto is to hold the course, stay with what is safe, design by committee, use focus groups and market the hell out of crap products in hopes of fooling enough people.