That's pretty much entirely irrelevant. The time anyone takes to put together something is immaterial to the price. The only thing that's relevant is the added value. Putting together a new font has a very marginal added value -- if any -- for end-users such as people using editors or IDEs.

If we're talking about publishing then that's a whole different thing: fonts are a major part of the end design, and they can play a major role in establishing a corporate identity. Playing a part in that does add value, just like incorporating the work of a professional photographer in the corporate image.

But that doesn't mean that any picture taken by anyone suddenly is worth small fortunes, particularly if the photographer wastes too much time taking useless pictures.