People are seriously overestimating how many idiots are out there that will avoid buying a major game because it's not exclusive. Maybe if we were discussing some new ip from an unknown studio, exclusivity could be beneficial, but the game clearly had a huge media budget and even had an exclusive themed console in Europe so its not like advertisement was an issue.
Anyway, this game is going to end up outselling metal gear solid 4 by a good margin. It got halfway there week 1 in terms of shipments, so Konami made an excellent choice going multiplatform. I doubt they excepected too much from the xbox/pc sales, and I am sure they are pleasantly surprised that interest among those gamers allowed the franchise to continue to grow despite Konami waiting 7 years to release a sequel, making a cashgrab prequel that was poorly recieved, and getting a lot of negative press because of their decision to focus exclusively on mobile.
