At least 5% of them are.
Come on man! or else how come so many companies want to employ them to hold high position? The time and effort they take to aquire MBA must have make them very clever, they are sure to make your company earn money and they sure can manage your workers properly one!
You can be reassure that this trend will not change although now so many freaking no-name whoever got money can open universilly sprout here and there. At the same time, you can also expect that in the future, even managing toilet need MBA.
Go and get yourself one! after that all you have to do is work 'smart'.