There are lots of 8x8 bitmap fonts for LCDs and 8-bit retro systems where they just didn't care about descenders being below the floor of the font. Aesthetical

There are lots of 8x8 bitmap fonts for LCDs and 8-bit retro systems where they just didn't care about descenders being below the floor of the font. Aesthetically suboptimal but didn't stop them from being used in production.