No, that is incorrect. Modern displays have subpixels of red, green, and blue and they are only ever producing various brightness levels of those exact colours. In the case of an OLED or LED displays, they would be perfectly monochromatic colours. The colours do not combine as coloured paint would to produce a new colour. That isn't how they work nor how you view them. We are looking directly at the subpixels and they are activating your rods and cones directly.
Yellow does not exist when a monitor displays a yellow colour. Your brain thinks it does because its red and green cells are being activated. This is also how you can see the colour magenta despite your monitor display red and blue, colours which are on the opposite ends of the visible spectrum. Magenta never exists during the process of displaying magenta on a screen, it only does in your brain.
They only care about their shareholders and investors. They haven't given a shit about their customers in a long long time.