Everyone ought to send an email to DL or NWA (whichever you hold membership with) regarding the downgraded amenities (snacks) in the SkyClubs. I sent one in earlier this month regarding the hideous selection of snacks in the T2 JFK SC, as well as the fact that they were entirely all gone by 6:30pm, with just the dog chow left in the jars.
As with everything, if you don't complain to the right people, there is no chance for improvement.