Not all humans can be concert pianists. Some humans can’t speak or get out of a wheelchair or remember their daughter’s name anymore. Here we enter into moral and ethical issues.
New religions aren’t necessarily founded already knowing that that is what they are destined to become.
Is it reasonable that two populations would independently hit on an adaptation by chance?
Wesley Smith commented earlier on the struggle, via litigation by the Nonhuman Rights Project (NRP), to grant human-like “rights” to an elephant in the Bronx Zoo.
Our care and treatment of animals arise from human duties, not conjuring rights for animals out of ideological zeal.