Everyone makes a difference. Someone who does something for others makes a big difference. A person who has no self-interest to do things for others makes a bigger difference. But, one who does everything for everyone for the sake of humanity without vested interest makes a real big difference for sustainability.
You see crime and you see all [ sharia] things happening, unfortunately all over Europe, because of (a) the mass immigration, but (b) also because of we politicians are not able to deal with it.