Unfortunately, most people that are interested in Bitcoin are doing things based on personal profit.
Hopefully it can be used as a tool for change, because as you pointed out, it makes so many things easy that were not possible before.
As time goes on, I would not be surprised to see charities and other social causes become involved with crypto-currencies.
Bitcoin is one of the finest digital currency i hope in future it will bring a positive change in our lives. i absolutely agree when people use it in a positive way to donate for a social cause .
It is already giving the people, us change for our lives. And haven't you seen some charities asking for bitcoins already? They are already in crpyto currencies maybe you are just late of knowing it because it is not kinda making some noise in the scene. But they are many of it already in the market. Just like this one: