…or “I Will Be” vs. “I Am.”

Hopefully, we have established (and the reader is satisfied) the linguistic fact that God’s Name as revealed in Exodus 3:14, AHYH

is correctly translated as “I Will Be.” God’s full answer to Moses through the Burning Bush is, then, “I Will Be What I Will Be.” And yet, almost universally, the English-speaking world translates this as “I Am What I Am.” Why is this?