Well, as you would know Toigs, Major League Baseball has 3D technology that can tell if a 100 mph bending pitch is high, low, wide left, wide right and takes into account all of that over the entire depth, width and height of the plate and strike zone. And they don’t have any posts to help them either !
Surely there’s much better technology. Surely.
Understand the point and maybe it’ll happen one day
But deciding if a ball is inside the strike zone - maybe one square meter give or take - is probably easier than detecting a footy over a gold post
And then there’s the “touched“ issue anywhere across the goal line - 7 yards wide etc etc