What is acceptable and what is not acceptable not only changes from person to person, demographic to demographic at a certain period in time, but also changes over time drastically as well from era to era

Morality is like a breathing, evolving organism, ever changing with the time and the people that it exists with

creating and destroying; built flying cars & autonomous vehicles, now building /faust, more here: /july, web: july.rocks

could some moral principles, like fairness and respect for life and personal property, be universally valid? 

Kant's 'Categorical Imperative' suggests we should only act in ways that everyone could adopt as a universal standard.

editor at yfarmx.com 📚 /yfarmx // security researcher

While they are often theoretically valid, in the sense there are ideas we can agree upon are objectively valid per Kant (I.e. noumena) - I think what is fair, to some people are not going to be what is fair to others, implementing it as a phenomena is very different from just theory