He can buy every team in the NBA and still be set for life!?!?
The site uses Bootstrap 5.2.0 [3], which was released on 2022-07-19 [1]. Version 5.2.1 was released on 2022-09-07 [2]. If we assume the creator used the latest version when they started developing the app, we can estimate its release date quite accurately.
[1] https://github.com/twbs/bootstrap/releases/tag/v5.2.0
[2] https://github.com/twbs/bootstrap/releases/tag/v5.2.1
[3] https://spend-elon-musk-money.netlify.app/static/css/main.e3075550.css
They probably just googled it at the time and a result was the out dated lit I had with worlds richest people where Elon was second:https://en.m.wikipedia.org/wiki/The_World's_Billionaires
But it has him at 195 billion