The article's screenshots are using scalable fonts without hinting bytecode instructions built in. Many modern fonts don't have those because of anti aliasing a

The article's screenshots are using scalable fonts without hinting bytecode instructions built in. Many modern fonts don't have those because of anti aliasing and auto-hinting. You can see the terminal font is fine because it's a bitmap font. At the time, you generally stuck with bitmap fonts or TTFs with binary bitmap blobs built in.