Not sure why your comment has been downvoted. I couldn't agree more with you on your finding and the question follows naturally for someone not familiar with L

Not sure why your comment has been downvoted. I couldn't agree more with you on your finding and the question follows naturally for someone not familiar with Linux desktops. Others have meanwhile clarified that anti-aliasing wasn't enabled in the examples, which is easy enough to do and is in all production code. Not sure, whether the author had some retro-look effect in mind or just wanted to visually emphasize the examples (he sure succeeded in both).