In a conversation with Phaedrus, Socrates worries that writing could impair human memory, as people depend on written words instead of recalling information. [0]
[0]: https://en.wikipedia.org/wiki/Phaedrus_(dialogue)#Discussion...
The question is will we one day have tools so powerful, that the human is vestigial, and tool (without human) is just as powerful and cheaper than tool (+ human)?
AI might replace it.
Writing "replaced" some forms of intellectual effort.
And it's yet to be seen how AI will play out.
I find that it is true that new mediums and new technologies for language have a numbing effect on certain senses and an amplification of others.
Writing is beneficial in one regard but does have an impact on memory. Epic poems of great length were memorized in their entirety, a skill that would be a lot easier to develop in a world without writing.