People leave the Culture, and you can form communities of various sorts, you just can't force people to not leave them. In a world with unlimited abundance, no disease, optional death, and more or less unlimited morphological freedom and the ability to form any consensual voluntary community you like with freedom of exit for all members, what possible change could one be demanding?
In the sense that your freedom to enact change ends at the boundary of your skin.
People leave the Culture, and you can form communities of various sorts, you just can't force people to not leave them. In a world with unlimited abundance, no disease, optional death, and more or less unlimited morphological freedom and the ability to form any consensual voluntary community you like with freedom of exit for all members, what possible change could one be demanding?