If we are counting video games as art, then there have been plenty of rich techies over the past 2 decades who have spent millions out of pocket trying to create their own version of “The Next World of Warcraft Plus Call of Duty Except Better”.
We don’t usually hear about video games funded and created by rich tech people though, because their game projects rarely make it to launch (due to the fact that video game development is actually much more challenging than it looks).