There are certainly plans for more marketing and there have already been some smaller campaigns on the background via twitter adds etc.
More decentralization does not mean that you will not see some organized efforts to push both the platform and currency. Marketing needs to be planned, done on the right moment and in the most effective way.
One way in which we will see more marketing for NIX is through the development of the dapps that will see their own specific users and will thus also push NIX.
The team certainly believes that tech and user-ability is an important part of marketing but also understands that more is needed.