
Billionaires make philanthropic gifts for a variety of reasons. Some do it for authentic reasons such as giving back to organizations that have touched their lives or helping causes with a lack of funding, but some use it as a self-fulfilling prophecy to help their own business or industry interests.
Craigslist founder Craig Newmark committed to giving away his fortune to his passions: combatting disinformation, election security, cybersecurity, and… pigeons.