Human exceptionalism holds that every one of us is inherently equal, in moral value, and properly, under the law.
The discovery of ETs would not undermine the case for the design of terrestrial life one bit. The situation for Darwinists is very different.
Understand that Big Think is not an obscure web journal by and for a lunatic fringe.
These biological facts are often misused to try to push us beyond our welfare duties and into according animals human-type rights.
The point here isn’t to prevent abuse, if it exists. We have animal-welfare laws for that.