The key phrase is right in the first sentence: "could someday [...]"
Usually (and especially in this case) a strong indication that reading the article is a complete waste of time.
Because it's hopelessly outdated down to the very core and that's kinda secretly the reason why throwing money or workforce on it wouldn't really get anywhere. It would need to be rewritten entirely and paying for improving something existing or financing the creation of a new "FOSS photoshop" are very different things.
Just imagine how bizarre, unexpected and awesome it would be if in two months there was a press conference with Xi Jinping announcing to the world that they found a cube/monolith with strange inscriptions on the moon...