For me, I view Apollo as the highschool quarterback winning the homecoming game.
In the context, its a great achievement. A lot of time, effort, and luck all came together at just the right moment to create an entertaining spectacle. The school is all happy and celebrating, students will remember that moment for years to come. But in the grand scheme of things, it’s not that big of an achievement since everyone there will move on to bigger and greater things, except they won’t have a student body cheering them on.
I think saying the Apollo program is one of the greatest achievements of mankind falsely puts it on a pedestal and forever sets up all other achievements as being lesser. Makes us all feel like anything that isn’t chasing that glory isn’t worth it. It’s an achievement for sure, but not the biggest. If I had to give the greatest achievement in space technology to anything, I’d give it to either GPS or GOES.
I was taught this too growing up in rural america. Did it myself at some land my grandparents had.
Best explanation I’ve heard for why it “works” is that when looking for places to first install pipes the location tends to be obvious or intuitive, so then years later when someone needs to find it again we naturally trend to the same rough area, pull out those stupid rod things and when they randomly cross there’s a pipe there cause we’re already standing in the general right spot. Get a high enough success rate and our brains start to think there is causation to the correlation.