It's something you'll be looking at for perhaps 8 hours a day for years. If you actually use it, a font is easily worth that much, even disregarding its potential use in a commercial product.
Of course, like open source software, free fonts do their best to undercut the market for individual professionals to make a living, but creating fonts isn't free.
Of course, like open source software, free fonts do their best to undercut the market for individual professionals to make a living, but creating fonts isn't free.