Yes. Those are examples of science being done unethically. Science itself is a process that is ethically neutral so it can be used in both good and bad ways. That doesn't make it unethical by nature like the original post claims it is.
Yes, humans tend to explain things they don't understand using myths. And yes, humans have historically used those same myths to explain morality. How does it then follow that religion and spiritualism are required for morality to exist?
I get where you're coming from. I used to think the same thing. I don't anymore and I would urge you to look more into subjective vs objective morality. Alex O'Connor has some really good thoughts on the matter.
Iirc typewriters have fairly unique typing patterns based on slight defects in each key. Some letters end up closer to others in a way that makes it possible to tell two papers were typed on the same machine. I don't know a whole lot about it but that's my two cents.
That's what other federated services like Matrix are for. Maybe there could be an ActivityPub chatroom service but Lemmy is not and will never be that.
Hamter