The thingeis: the world is getting less free and inequality has been constantly rising in the last decades.
This Steven Pinker BS is advertising complacency, while we should agitate people to fight for a better world.
If you want to be optimistic, look around for the average kindness of everyday live inside communities. The FOSS community, unions, mutual aid in neighborhoods etc. This would lift you up and point in the direction where things could get better.