This is demonstrably false.
https://www.houstonchronicle.com/business/energy/article/Enr...
> [F]ormer Enron CEO launched Veld Applied Analytics, billed as a sophisticated online platform to invest in oil and gas assets.
So skilling is back on energy resources, e.g. exactly where he was at Enron
> [CFO Andrew Fastow] has since made a career on the public speaking circuit, with one agency listing his availability to lecture on “corporate culture” at universities and corporations around the world for a $10,000 to $20,000 fee.
Not exactly finance, but I also don't know how I ever get to be paid 10-20k/hour
I can't find anything about the others, but the two big names seem to be doing well for themselves