No. Without wealth and fame
Wealth and fame are two different things. Additionally, there are plenty of people who've been given recognition but not necessarily money. Alexey Pajitnov for Tetris and Ralph Baer for the invention of the video just off the top of my head. Sure, at times it's the people with the money that try to take all the credit ... as it seems to be the case with Platypus. But if you look at the times when the individual who did the creating got credit, respect always goes to that person. I'm sure more people will remember Alexey Pajitnov than Henk Rogers although Rogers is the one who made all the money from Tetris.