I’m wondering why maintainers of open source projects don’t register as CNAs with Mitre for their projects and also why they don’t file a dispute on the CVE wit

I’m wondering why maintainers of open source projects don’t register as CNAs with Mitre for their projects and also why they don’t file a dispute on the CVE with Mitre which is the source for NVD and GHSA. This would help eliminate or reduce the impact of frivolous CVEs.