Yeah, that’s great and all, but consider the following: If I’m standing in the middle of a field and I need to measure sixty-ish feet for a fence, and I don’t have a meter stick, I can get pretty close by walking heel-to-toe for sixty paces. There’s no equivalent method for a meter and no metric unit that has a human body equivalent, while the most imperial length units all have human body equivalents. Also, even if I do have a meter stick, how tf am I supposed to measure and mark 0.288 of one? Sixty feet is easier to work with. There’s also the matter of a foot being equally divisible into 2, 3, 4, or 6 equal lengths, all of which also have human body equivalents. If you know them all, and measurements relative to other objects aren’t required, you can build things that measure up relative to themselves by just using fingers, hands, feet, marks, a square, and a straight edge, no ruler or tape required. I have projects close to ten years old built that way that are still standing strong.