What do you even mean by this? What did the word originally mean?
With definitions "forming the only one of its kind" and "being the only one of its kind". I don't have a trillion unique bits of memory on my SSD, as they are all interchangeable.
Would it matter if the audience is international or if the audience mostly has English as a first language?
"70 Different Ways to Encode〈"?
"Everyone is unique." with the watered down version of the word "unique" just means "Everyone is distinct."
Perhaps people are beginning to collectively believe that nothing is irreproducible.