Sponsorship is basically when you receive financial support from someone.
It's largely done for companies.
Sorry if this doesn't really help you. =(
The point of the cartoon is to show how ignorant people can be about world problems. Many people decide to stick to their own mindset and are not open to other people’s advice and solutions.
I would say that I agree with the cartoon because many people find a way to ignore the problem. They decide to only focus on their own situations and forget about the most important ones that deal with the world.