Whether it's control systems (or something closish to them) all the way up? Dunno. But the first couple levels, not yet into the realm of traditional psychology or whatnot, those definitely exist in humans.

As a general-purpose prior assumption for systems designed by evolutionary processes, reusing or adapting existing systems is far more likely than spontaneous creation of new systems.

Thus, if it can be demonstrated that a model accurately represents low-level hierarchical systems, this is reasonably good evidence in favor of that model applying all the way to the top levels as opposed to other models with similar explanatory power for said upper levels.