License is one factor, but more importantly due to the limitation of OpenType. Last-resort fonts work because a single glyph maps to lots of characters (typical

License is one factor, but more importantly due to the limitation of OpenType. Last-resort fonts work because a single glyph maps to lots of characters (typically with a special support [1]); otherwise you wouldn't be able to have more than 140 thousand glyphs. [1] https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format13 https://docs.microsoft.com/en-us/typography/opentype/spec/cm...