Vertical padding make me so angry, vertical space is a scarce resource that is already wasted with giant title bars on top, a dock on the bottom, layers of tool

Vertical padding make me so angry, vertical space is a scarce resource that is already wasted with giant title bars on top, a dock on the bottom, layers of toolbars stacked on useless icons. If most screens where using a 9x16 ratio it would not be a problem, but they are 16x9 ...