Texters and readers of Homestuck have been practicing for decades at appreciating badly written mail. I believe human-to-human knowledge transfers will still be fine :). I'm fucking scared of the incoming spam tsunami though!
Why? Presumably with spam emails they write the email once and send it to a billion people. I don't see why an LLM meaningfully helps this process.
I will develop a typing quirk for the express purpose of ensuring that I wrote the email instead of AI