Taking your argument to the furthest extent: Humans once dehumanized others, therefore humans should never judge what is human or not. My pet rock looks very

Taking your argument to the furthest extent: Humans once dehumanized others, therefore humans should never judge what is human or not. My pet rock looks very sentient to me. Anyone who tells me otherwise is just an asshole who is on the wrong side of history. Better extend human rights to all rocks. tl;dr yes humans have been wrong in the past, but that isn’t any excuse to never try and explain anything and always believe everything is sentient the second someone claims it is.