That should be expected as it is a natural principle. Most projects are dead because of poor management by the team members because they lack the expertise in crypto and failed to seek for counsel from experts. Also, projects with no backing product or tangible ideology behind is likely to go down the drain as it will lose the interest of potential investors.
Many projects dead because of poor management of the team hwo handled the project. They are not actively updated their social medias account, social media updates plays a great role in running a campaigns. If they team are very active in their projects many investors will buy their coins thus makign their projects to succeed. Having a healthy community will also do.