Or you have to use a highly reflective monitor. Or you have a blessed matte monitor but you have whiteboards, stainless steel appliances, glass, bright colored

Or you have to use a highly reflective monitor. Or you have a blessed matte monitor but you have whiteboards, stainless steel appliances, glass, bright colored walls, and other stuff at various angles in the environment behind you. In which case the first thing you and everyone else trying to see past the reflections is going to do is dim the lights and lower the shades.