A good project will be endorsed by many people because we dont know if the project is a scam one until it reaches the end, the concept of scamming is creating a good idea and make people believe that their project is promising so we cant blame people if they want to promote a certain project.
Exactly because sometimes its really hard really to detect at early stages if a new project is a scam or not so some people mistakenly advertise it without knowing what could happen in the future though I agree with OP. Supporters and hunters could make a big changes in crypto investment if they become knowledgeable and stopped promoting bad or scam projects to help out investors to stay away.