The judgment Jesus speaks is a warning of what the opposition will reap if they did not stop sowing seeds of rebellion. To reject Jesus’ words of life is to die. This image in Revelation is intended to be Christ’s last call for repentance.
The subordination of our religion to the State or the exchange of worshiping God for worshipping the State or something more sinister is always easier to see in others than in ourselves. The challenge is to have and to cultivate the self-awareness as to whom we are following.