I cannot judge the merit of the paper itself, but Climate Healers seem to be a vegan focused non-profit. So they could be arguing against animal agriculture for other reasons than climate change. Which can be valid reasons as well.

I don’t know about the specifics of the ban described in the description and I am glad that you try to offer an alternative to the established communities. The more the merrier.

This is really cool and I will definitely try it out! Am I missing something or is there really no contributors license agreement?

You want that if you strongly believe that your hate speech counts as free speech