The returns for project teams in the crypto space are front-loaded. Many projects have not adjusted; for example, some with established market values have skyrocketed, leaving them with no motivation to continue working. Most are only maintaining appearances while actually soft-pulling out;
In association with those ambitious new projects, they need to pump up prices to sell at a high, forgetting those old projects that have already been fully exploited in the last round. For them, trying to pump prices again is no different from charity work, such as top-tier projects like FIL, EOS, etc.