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.
With so many projects competing in the crypto world, it is expected that many would be left behind and die down naturally. Right now, a good platform is not enough to catapult you ahead of the game. A good management team, strong community support is important to keep you afloat the competition. An effective marketing campaign is also an advantage to get ahead of the pack.