edit: according to another's comment referencing a $56m payout, it now occurs to me that his confusing mention of a $60m figure may have been exactly that
As long as they don't need to work for a living ever again, and they'd still have a house, health coverage, food on the table, vacations at will, new clothes, new cars every few years, money for their kids and their kid's college, and diversified enough for covering whatever market issue, that's rich enough - doesn't matter if it's $20 million or $1 billion for the purposes of "I'm bored with no purpose" the author is getting at.
“I’m so rich I’m lost” - worst humblebrag ever. Get a therapist. Or go for a long walk in the woods. Sheesh.