I can't figure out why this font is better than DejaVu Mono, or Monaco (mac). They all look basically the same to me. I actually would love someone to explain w

I can't figure out why this font is better than DejaVu Mono, or Monaco (mac). They all look basically the same to me. I actually would love someone to explain what the difference/improvement is, in other parts of life I know subtle changes add up.