Life in Christ is not only a matter of recognizing the divinity of Jesus, it depends more on the willingness to submit to His Lordship.
It costs, yes, but it is not a personal or individual struggle. The redemptive work of the Cross enables us to overcome sin and authorizes us to defeat the kingdom of darkness.
The wisdom of a son of light is to discern how much of what we are required to do on a daily basis is influenced by the spirit of the world because although we have pointed out two popular festivals as an example, it is not the only pagan festivities we have to take care of.
The reason people don't turn to Jesus is because they don't see the forcefulness of the actions of those who preach to them.