Not every word Jesus spoke was a Happy Word. The 20th century tried its best to make Jesus happy, helpful and hip. A friend to all, offensive to none.
Well, "a bruised reed he would not break" and all that, but he knew how to confront, too. In Chapter 20 he tells the story of the Wicked Tenants who kill the rent collectors and then kill the owner's son. Not unlike Modern Man, they agreed that if they just killed the owner (via Darwin etc.) they would inherit the vineyard (the world). They don't look so smart when you put it that way, Jesus. Yet mankind declared himself free of God through communism, Nazism etc.. Millions of people suffered.
The people listening to the parable said, "oh you can't be talking about US Jesus." Luke says that "Jesus looked directly at them" and told them, in effect, those who reject the Kingdom for something "better" should know that "everyone who falls on that stone will be broken to pieces, but he on whom it falls will be crushed." You choose inferior materials, you get inferior products. Greed, murder and spiritual rebellion lay a poor foundation for a society, or a century.