[lmm]

All models are false, some are useful. Knowing the whole history of everything that anyone has ever done in your property would be ideal, but impossible. Knowing why things were originally put in is a useful heuristic that strikes a good balance between simplicity and false positives/negatives.

[dventimihasura]

Sounds like the answer is, "No, I would prefer to be unaware as I go my renovations."

[lmm]

If I could know everything, I would. But unfortunately every piece of knowledge has a cost.

[dventimihasura]

So does ignorance.