People enjoy doing things for others. It's a deep Need people have. If mass violence and wars, natural disasters of all kinds through the ages, have not been able to make us more selfish and wipe out that need, internet drama is not going to either.
The process is messy sure, and if you are experiencing it for the first time it can be confusing, repulsive and misleading. It's not a good idea to follow those feelings and make conclusions. Because those conclusions will obscure from your view, the reasons why anything good happens in the world.