> There are self citations and citation rings. https://en.wikipedia.org/wiki/Eigenfactor https://en.wikipedia.org/wiki/Eigenfactor and other such indices are m

> There are self citations and citation rings. https://en.wikipedia.org/wiki/Eigenfactor https://en.wikipedia.org/wiki/Eigenfactor and other such indices are much less game-able Peer review (as currently practiced) and closed access are the problems, not the quality signal provided by journal publication.