You are right, if a company doesn't have the active development activity how can the price of a coin will increase in the market. It is impossible to attract the new users and now a days community are fed up with this type of activity and researching a lot about the companies for new investments.
In the last few months I haven't seen any new posts from the Buzzshow Twitter account, is this project still alive?
The GLDY token still has a pretty good trading volume, but there are no updates on the progress of the project.