You are making the exact same mistake even though this person explained it to you. This isn't about what a pixel in a display looks like, it is about what a pi

You are making the exact same mistake even though this person explained it to you. This isn't about what a pixel in a display looks like, it is about what a pixel in an image buffer represents and how to render it without aliasing. To anti-alias a pixel you have to realize that it is the weighted average of multiple samples over an area.