If we do manage to run full LLM (Large language models) on biological neurons, we will still continue to use it to generate code or the same way we have been using it given that its an LLM and it functions like one that you, I or the rest of the world uses at the moment.

Sure some consciousness discussions will arise but guess what, you are already within a consciousness discussion and there are quite a lot of people (recently, richard dawkin believing "claudia" is conscious)

Although it will make up for a "wow, we really did it" moment, it will be met with hollowness, just like how when Chatgpt 3 had first launched, I remember really thinking that its like jarvis and the movies but then the next part that I remember is the hollowness which followed as Internet has made these bots gain voices and dampen the voices of humans online as we have created a system where one human can't hear another without incredible noise and the hollowing of internet in many cases.