Nothing wrong with serifs, except that typical monitors are too low resolution to do a good job with them. The sample you linked for example doesn't look good t

Nothing wrong with serifs, except that typical monitors are too low resolution to do a good job with them. The sample you linked for example doesn't look good to me. My Chromebook is about 150 DPI and it makes a world of difference compared to the typical 100 DPI desktop monitor.