I don't see why there would ever be a lack of progress... maybe at some point progress won't be at all relevant to our current society, but there will always be

I don't see why there would ever be a lack of progress... maybe at some point progress won't be at all relevant to our current society, but there will always be something new. And at that point, where we have solved all problems, like mortality, hunger, peace, etc. And the world is a perfect place, it will be so far out from our current lives, that it seems like a misallocation of brain power trying to think about "what then?".