What do you mean by unranked? Because it doesn’t maintain its own database, just proxies other search engines and aggregates them

Furthermore, priv.au seems to include only Google in its default search engines so its really just Google through a proxy. Good for privacy but doesn’t really help you get away from big tech

Could you theoretically do actual research on new techniques for doing ancient things? Like if in the comic the man actually did find a way to use copper and it was realistic for stone-age people