Not One Stone Left Upon Another
Jesus predicted it 37 years before it happened. Herod Agrippa II and his sister Bernice, who heard Paul's testimony at Caesarea (Acts 26), tried hard to prevent it, as did the Jewish historian Flavius Josephus (our main source of first-century information). But the fall of Jerusalem and the burning of the Temple in A.D. 70 happened nevertheless, and it was a catastrophe with almost unparalleled consequences for Jews, Christians, and, indeed, all of subsequent history. It compelled a whole new vector for synagogue (not Temple) Judaism, it submerged the Jewish homeland for the next 19 centuries under foreign domination, it helped foster the split between church and synagogue, and it set the stage for rampant prophetic speculation about the End Times that continues to the present day. Few episodes in history have had that sort of impact.
The Jewish rebellion in A.D. 66 that ignited the war with Rome was by no means inevitable. Judaism was a legal religion in the Roman Empire, and Nero's own empress, Poppaea, was very interested in it. Contrary to biblical novels and movies, far worse things could happen to you in the ancient world than to be conquered by Rome. The Romans hung out the traffic lights in their sprawling empire, curbing piracy at sea and brigandage by land, thus providing security in the Mediterranean world. The apostle Paul's missionary journeys would have been impossible without the Pax Romana, the "Roman peace" that ordered society. As for the "horrors" of Roman taxation, I would much rather have paid the tribute to Rome as a citizen of Jerusalem than American income tax!
Still, Rome did have wayward governors who were not always disciplined, even if there was an extortion ...