Because the only possible way for a creator of information to survive off said creation is to use extremely invasive state institutions to compel the population

Because the only possible way for a creator of information to survive off said creation is to use extremely invasive state institutions to compel the population into giving them a perpetual monopoly on distribution of said information. There are plenty of ways to seek compensation for the creation of information, with only a minute subset of them requiring copyright monopoly to function.