>>38703296It's relative in that it's relative to humans and not the entire cosmos, yes, but it's universal when it's in the confines of humanity.
The true question is, then: is anything beyond humanity worth defining beyond humanity's perception?
Regardless: morality, a human concept (thus far), in application to huamns, is capable of being defined as universal. Unwarranted murder is, exempli gratia, universally, amongst humans, immoral.