Ethical constraints still depend only on scientists’ restraint — a “thin reed to stand on.”
Darwinian evolution and intelligent design are competing theories of biological origins, but they are more than that.
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.
The NCSE is troubled, but this just sounds like solid science. I’m all for critical analysis of data, evaluating conclusions, and rigorous scientific inquiry.
Alfred Russel Wallace reasoned his way to affirmation of an “Overruling Intelligence” — intelligent design by another name — at work in the long history of life.