No wonder fixed-width font goes away due to not being used. Why did they have to insist on setting the message's font to "Courier New, Courier, fixed" instead o

No wonder fixed-width font goes away due to not being used. Why did they have to insist on setting the message's font to "Courier New, Courier, fixed" instead of just fixed? Courier is even worse than the proportional standard. Why not respect the setting that was defined in the browser?