What's absurd is your denial of what the actual words of Luke 21 say! You *never* addressed that, though I've quoted it several times. It confirms that what Jesus spoke of was indeed the destruction of Jerusalem and the temple by an invading army, leading to an age-long Jewish Diaspora. But you have no answer for that, and so you call me "stupid?"
The Romans didn't actually destroy it; the 2nd temple caught fire and Josephus showed the Jews inside ultimately decided to destroy it instead of letting the Romans get possession of it. No doubt they remembered how Antiochus IV in 165 B.C. desolated it with sacrificing swine on the altar and setting up an idol to Zeus in it.
The Western Wall stones are still... standing. Those have to be included in Jesus' prophecy, simply because the event He was pointing to is the 'sudden destruction' that's to happen there on the "day of the Lord". So Preterists can laser point argue against this all they want but it don't mean a thing, because there's more Bible prophecy tied with it.
Many non-Preterists also believe Luke 21 described the destruction of Jerusalem by the Romans, followed by a Jewish dispersion. You *still* have not addressed that! I am not a Preterist, but I do agree with Preterists that Jerusalem was defeated by the Romans in 70 AD, as did the Church Fathers.
You are conflating the Day of the Lord with the destruction of the temple. Jesus' Disciples did the same, which is why they asked about the Lord's Coming when told, by the Lord, that the temple would be destroyed. I'm not going to keep asking you to address Luke 21. If you refuse to, I'll assume that you have no answer.