I only donate 10% of my eBay sales to a charity that has helped me a lot with my chronic illness in the past, and which only receives very little government funding. But that has only been possible since my situation (health & financial) recently improved, so I’d definitely not blame anyone if they kept all their money for themselves, especially with the controversy surrounding how much of people’s donations are swallowed by administrative costs (particularly with large charities).
Volunteer firefighter, I donate my time and energy.
I would suggest instead of money find a cause you stand behind and do the same. Far too often even with the best intentions money donations never fully see the cause they are meant to.