What the bare mins are is one thing, what is desired is another.
Caring about logs form 50 years ago, aside from the plane having some crazy provenance or wanting to make a scrap book, I could care less, the logs from the past 5-10 years are quite important to me, not just the bare legal mins, but getting a idea of how the airplane was cared for and giving me enough information for the seller to hang himself if the he was BSing the logs.
Also, I could care less about damage history, IF, it was repaired properly and completely and you can back that up, now if I find something in the NTSB or google about some metal getting bent, and you didn't already disclose or I don't find anything in the logs, 337s, etc about it, well I'm tossing my BS flag and me and my money are walking.
So in other words, the market doesn't agree with your approach either...
Regardless of how you, I, or Tom buys airplanes, and what paperwork we personally feel is important, it is best to have all the logs (or at least most) if you want to appeal to the widest market. Unfortunately, we are at a point where these airplanes are getting old enough that the physical condition of the airplane should have much more weight placed on it in the decision to purchase than what the paper says happened to it over the course of the last 50 or 60 years. This is especially true at the bottom end of the plane buying spectrum, which a $20k Cessna 172 is most definitely at, and the OP should keep that in mind.