My belief for the past almost decade is concern that use of AI will homogenize our culture. For example, the more we use LLMs to talk to each other, the more homogenized English becomes[1]. And, of course, it's amplified when the LLMs learn from LLMs.

[1] This is not new: I wrote about it in 2017. https://www.cyberdemon.org/2017/12/12/pink-lexical-slime.htm...