"Son of Man, how does wood from a vine compare to a branch taken from any of the trees in the forest? Is wood ever taken from it to make anything practical? Can it even be made into a peg to hang something on? After all, it's useful only for kindling a fire, isn't it? And once you've burnt up the ends and charred through the middle of it, is it useful for anything else? read more.
If it was useless before it was burned, now that it's been burned and charred through, it's even more useless!