The world is not out of ideas or solutions but the main reason why there haven't been any good projects for a while is due to the fact that most of these new projects lack proper planning. Nowadays projects are just interested in making profits rather than providing solutions to address specific problems seen in the entire ecosystem of the world. Project managers and developers need to focus on providing solutions rather than having a profit minded interest.
Now the market is crowded with people who just want to make money but not to improve the world of cryptocurrencies. we cannot stop these people. we can just choose really useful projects and invest in them