I've just graduated in marketing as well and only just found work. I've had to take a big step back in terms of income, but i'm with a bigger company so there are certainly long term career prospects which will outweigh the short term cut in $.
It's more about the changing dynamics of society, and the expectations of our generation v. those before us. We are used to having so much choice available, but in the current conditions, that just isn't realistic. Now, you need to take what you can get and run with it.
Marketing is one of those industries which, while any smart company would never completely cut its spending, it is an area where investment will be pulled in (obviously leading to a lower demand for marketing specialists).. It will come good. Products always need to be marketed and companies need people to facilitate that.
THe main thing to note right now (and also in the general corporate world) is that a huge majority of job advertisements are only offered internally to the company. External ads generally happen because of the inability to fill the position internally, or because it needs to be filled very quickly so the recruitment gets outsourced. Basically what I am saying is that you should try to get into a big company doing whatever you can. From that point, do your time in a role for 12 months and then look at the cross functional mobility within, and the internal job market. Your skills will still be important to get any job inline with the company fit they are looking for, so they certainly won't go to waste.
I wouldn't say that I feel robbed - but I also didn't have unrealistic expectations of what a degree would give me. In this day and age, a degree really might just get you an interview and from there then it is up to you.
Good luck man.