There is zero benefits at all to the society.
An unknown cleaner on the street who do his/her work in a full pure intention and aspiration to serve the society and people, they actually has brought countless benefits to countless beings
The pure intention move the hearts and minds of others be away from greediness, selfishness and jealousy, ego clinging. Its touch the hearts of others to be selfless and found their inborn kind nature.
Without this , any actions which seems great, grand is merely benefits oneself rather to the well beings of others