Not really. These companies also need MBAs, but their compensations are somewhat lower than IB and MC, that is why they are not attractive to MBAs. However, if you are really a marketing guru, the upside potential is also high... :-)
Tech background could target at the startups. If you are lucky enough to get a future Google, nearly all your MBA friends/classmates will be far behind you in wealth... :-) I have a friend's wife in Google and another one in E-bay, all have such experience... :-)