@ThePainefulTruth Said
None calleth for justice, nor any pleadeth for truth: they trust in vanity, and speak lies; they conceive mischief, and bring forth iniquity.---—Isaiah 59:1-4
Vanity, 1. something that is vain, empty, or valueless.
One of the signs of the last generation was the tearing down of the Temple (a backed in prophesy I'm certain).
I know where you are getting that from, but it is not entirely correct.
As is so often the case the prophecy at MAtthew 24 is a prophecy with two fuliflments, mainly because, though the disciples didn;t realise it they was actually asking two diferent questions.
They didn't realise because they allied the end of the Jewish system with the time of Christ't "parousia" his presence in kingdom power, and Jesus didn't disabuse them because it was not yet time for the time of his presence to be known.
So he gave them the answers to both questions at the same time, something which is evidenced by the fact that only parts of the prophecy were fulfilled at that time.
The major part of the prophecy, lie the signs of the times, were in answer to the "when will your presence be" part of the question. Since, as we now understand from other prophecies, Christ's parousia, occurred in or around 1914, the remaining unfulfilled part of the prophecy was obviously for this time, the time when Christ is present in Kingdom Power in the heavens.
Thus the prophecy at Matthew 24:6-8 is neither vain nor empty, but very relevant indeed, especially to the time period we are in, as all will know when Armageddon does strike, and according to bible prophecy, cannot be all that far in the future, since there is so much to do after Armageddon and before Christ hands back the kingdom to His father which again according to prophecy will be in or around 2914, give or take.
I know, as do God and Christ , that there will be many who foolishly scoff at it until it is too late. Jesus predicated such when he stated that these days would be like those when the flood was approaching and people were so busy7 with their every day lives and pleasure seeking that they "took no note until the flood came and washed them away."
Matthew 24:36-39 “Concerning that day and hour nobody knows, neither the angels of the heavens nor the Son, but only the Father. 37 For just as the days of Noah were, so the presence of the Son of man will be. 38 For as they were in those days before the flood, eating and drinking, men marrying and women being given in marriage, until the day that Noah entered into the ark; 39 and they took no note until the flood came and swept them all away, so the presence of the Son of man will be."
As Jesus said, though the time of the destruction of the temple had already been chronicled in prophecy (Daniel) no-one at that point, not even he, knew when the day and the hour of His presence would be. That was for future generations to be shown, and was duly shown to a small group of bible students in the early to mid 1800s.
God never releases the understanding of prophecy before it's due time even though the prophecies are already written down. The book of Revelation was similar, only becoming understood in the last century. Similar were the early prophecies about the coming of the messiah, the exact timing was not understood clearly until Daniel's prophecy detailed it more fully, and gave the length of the Messiah's ministry as well as the approximate manner of his death, followed later by the destruction of the Temple, something else which happened absolutely on time.
When time is due, Holy Spirit is use to subtly open the eyes of the chosen readers to what prophecy means. It is amazing how much clearer you can think under the influence of Holy Spirit, though I have never tried illegal substances I cannot imagine their effects being so eye opening. The meaning simply comes to you out of nowhere.