See also: https://en.wikipedia.org/wiki/The_purpose_of_a_system_is_wha...
See also: evolution - the OG case of a strong optimizer that is not an agent. Arguably, the "goals" of evolution are the null case, the most fundamental ones. And if your environment is human civilization, it's easy to see that money and compute are as fundamental as calories, so even near-random process should be able to fixate on them too.