Well, that $100m didn't go towards obtaining immunity, it was contributed to campaign funds for the purpose of lobbying. He wanted legislation favorable to FTX.

You can bribe a corrupt official or politician for a short period. However, unless you can blackmail or continue supporting them, they won't continue to stay bribed. Once FTX went bankrupt they lost their limited immunity to political consequences. They were too clumsy to engage in the sophisticated schemes used by other lobbyists and PACs to ensure that politicians stay "bribed."

If you want to see how a criminal organization can truly become legitimized through corruption of political structures, Uber is a great example. They managed to create a decentralized illegal Taxi company in the most public manner possible.

https://www.theguardian.com/news/2022/jul/10/uber-files-leak...

We shall see where he ends up after the dust settles. Most likely on a yacht somewhere after a few months of house detention.