Yes of course we can stop promoting scam projects, but how? And here are some tips that we can get to avoid promoting those scam projects, review the team and of course the quality of the product of the project and look the reviews and opinions also to get infos that we need to prove that the project is legit.
What is often a problem so far the bounty hunters are more focused to see how much allocation is provided by the project. Without the need to be too detailed to find out information about the team and other matters relating to the project they are taking part in. Many who promote a project are bounty hunters. The tips you give are very good and should start to be applied by all who want to join a project