Moral subjectivism makes moral beliefs no more than personal preferences, similar to whether you like or dislike asparagus, grits, or okra. It takes the position that these are just personal beliefs and apply to the believer. The believer may disapprove of the actions of others, but that just means they don’t like what other people do. When you like grits and I do not, we are not disagreeing. We just have different preferences.
Question: does moral subjectivism make any sense at all? Is it any different from just denying that there is such a thing as morality? 

Bonus points: Discuss Trying Out Ones New Sword by MARY MIDGLEY, moral isolationism, and her argument against it.