What makes something/someone entitled to human rights?
Let's say aliens came to visit Earth and we ended up sharing the planet together. Do we treat them with the same human rights as another Earthling?
What about a robot that thinks, feels (emotions), and acts exactly the same way as humans?
Or what if we discover that dolphins are just like humans too?
"If I don't think something can be explained conventionally, it must be magic. And magic comes from God!" -everyday religious person