Bitcoin is a vehicle to help us fix things. For example stacking all the Bitcoin in the world won't make you happy. That' optional.

In this case it won't make a solar panel work again, but it might replace one. It's there enable people to do more than they could had they never had it.

The world is messy and things do utterly suck. What counts is that you are there in the trenches trying to make things suck less for these kids. We might not change everything in the world, just like Bitcoin won't. However, we can do our part in small ways to leave the world a bit better off, than if we had not been it.