I once obtained a p-value of zero (or more accurately, smaller than the numerical precision of a p-value in R) for a result that was, by design, meaningless. I

I once obtained a p-value of zero (or more accurately, smaller than the numerical precision of a p-value in R) for a result that was, by design, meaningless. It's a bad idea to use p-values as thresholds, regardless of where you put the threshold.