That does not have anything to do with whether GMCR is a good buy or not. However if you are in the market long enough you will eventually get offers from one of these "boutique" firms promising a quick buck. Its probably a 50% chance that you will make money on any given recommendation.
Sometimes they will get you into a good stock, then when you make money on it, and trust them a little, they will ask if they can manage some of your money. At that point, the Red Flag should rise.