Yes ZBrush is industry standard. I have no objection against it. I want to make clarification. ZBrush is not good at making a basic model from scratch. Did you notice that ZBrush do not have polygon, tessellate, or weld. ZBrush was implemented with Pixol Technology that works with 2D, 2.5D, and 3D. You really can't make a simple cube with 12 polys in ZBrush, you have to go through some tools to make it. You can not make a single polygon in ZBrush. Get my point now?