Hoard is the word alright. Money is an addiction, no different than heroin or alcohol. There is never enough, just the endless craving for more.
Just as a junkie sells enough to feed his habit, a billionaire uses the money to make more money. To feed the habit.

Now there's a mental image I could have done without.

It's a cult. They'll take the pedophile over their conscience every last time.

My local food pantry just opened a soup kitchen.
When Trump ran on lower prices, I guess he meant free soup.

It's Bizzaro Kennedy!

It sounds cathartic. I'm a little afraid I might not be able to stop, but I do like the idea.