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This seems as a conflict of interest when a monero dev to work on a competitive cryptonote coin. Its already causing confusion in this forum, seeing other posts.
Please familiarize yourself more with how Open Source works. It's pretty common for developers to work on and submit patches to projects that are similar in scope. In fact, it's crucial.
I fully expect some of the work happening in AEON to be ported to Monero. And vice versa. What you're envisioning as "competition and confusion" is actually a healthy Open Source ecosystem.