The deep-seated crookedness of the human heart due to sin means that the problem of wisdom, truth and justice for the social order cannot be solved by man's efforts to forcibly rearrange society.
In answering the disciples' question about the destruction of the temple, Jesus foretells signs of an imminent temporal event which will take place in the lifetime of his audience. Instead of end times speculation, the church needs to be busy with gospel proclamation and mission.
The biblical context of marriage, affirmed and reinforced by Jesus Christ, is the original divine ordinance, and the foundation on which any functional civilization is to be built.
We have received a kingdom and an inheritance, but woe to us if we now take offence at God's Word. The Lord will crush those who deny Him the fruit of His vineyard.
Note: the video is missing the first two minutes of this sermon but it is available on the audio-only file via the "Listen" link.
Human beings are inherently sexual creatures, created male and female, in the image of God. It should not surprise us, then, that revolt against God is expressed in decidedly sexual ways.