Making your comms friendlier or whatever is one of the myriad ways to use LLMs. Maybe you personally have "LLMs shoved down your throat" by your corporate overlords. No one in their right mind can say that LLMs were created for such a purpose, it just so happens you can use it in this way.
LLMs aren’t making your comms friendlier; they’re just making them more vapid. When I see the language that ChatGPT spits out when you tell it to be friendly, I immediately think ‘okay, what is this person trying to sell me?’