Because there is no united kingdom of the two sticks (Judah & Israel) yet.
But there will be.
It's an oath God will keep.
Those saved have the kingdom of heaven inside them.
We receive the kingdom of heaven when we receive the Holy Spirit. We recieve the Holy Spirit when we are saved.
The time came to receive the kingdom of heaven when John the baptizer came, for we must repent of our sins to be saved and receive the kingdom of heaven.
See Matthew 17:11-12.
Mark 1:15 And saying,
The time is fulfilled, and the kingdom of God is at hand: repent, and believe the gospel.
Ephesians 1:10 to be put into effect when the times reach their fulfillment—to bring unity to all things in heaven and on earth under Christ.
(That is about Jesus appearing the first time.)
Jesus says all things are restored, see Matthew 17:11-12; and Mark 9:12. David’s fallen tent is restored see Acts 15:16.
Jesus came fulfilled what was written.
Read Amos 9:11-12.
Matthew 5:21 "You have heard that it was said to the people long ago, 'You shall not murder, and anyone who murders will be subject to judgment.'
When people come to Jesus in faith, they are being restored. Jesus is at the right hand of the Father interceding for us, he lives to intercede for us. We are being reconciled unto God. The ministry of the Apostles is the ministry of RECONCILIATION. See 2 Corinthians 5:18 All this is from God, who reconciled us to himself through Christ and gave us the ministry of reconciliation:
Hebrews 7:25 Therefore he is able to save completely those who come to God through him, because he always lives to intercede for them.
Hebrews 9:24 For Christ did not enter a sanctuary made with human hands that was only a copy of the true one; he entered heaven itself, now to appear for us in God's presence.
2 Peter 3:9 The Lord is not slow in keeping his promise, as some understand slowness. Instead he is patient with you, not wanting anyone to perish, but everyone to come to repentance.
Romans 8:34 Who then is the one who condemns? No one. Christ Jesus who died--more than that, who was raised to life--is at the right hand of God and is also interceding for us.
This is now:
Revelation 21:4 and He will wipe away every tear from their eyes; and there will no longer be any death; there will no longer be any mourning, or crying, or pain; the first things have passed away." 5 And He who sits on the throne said, "Behold, I am making all things new." And He said, "Write, for these words are faithful and true." 6 Then He said to me, "It is done. I am the Alpha and the Omega, the beginning and the end. I will give to the one who thirsts from the spring of the water of life without cost.…
This is now:
Revelation 21:7 Those who are victorious will inherit all this, and I will be their God and they will be my children.
Romans 8:14
For those who are led by the Spirit of God are the children of God.
Romans 8:16
The Spirit himself testifies with our spirit that we are God's children.
This is now:
Revelation 21:6 Then He said to me, "It is done. I am the Alpha and the Omega, the beginning and the end. I will give to the one who thirsts from the spring of the water of life without cost.…
John 7:37 On the last and greatest day of the festival, Jesus stood and said in a loud voice, "Let anyone who is thirsty come to me and drink.
Jesus said he came to fulfill. Jesus did what he came to do.
Jesus said it was finished.
Luke 24:44
He said to them, "This is what I told you while I was still with you: Everything must be fulfilled that is written about me in the Law of Moses, the Prophets and the Psalms."
Luke 22:37
It is written: 'And he was numbered with the transgressors'; and I tell you that this must be fulfilled in me. Yes, what is written about me is reaching its fulfillment."
John 4:34
"My food," said Jesus, "is to do the will of him who sent me and to finish his work.
John 17:4
I have brought you glory on earth by finishing the work you gave me to do.
John 19:30 When he had received the drink, Jesus said, "It is finished." With that, he bowed his head and gave up his spirit.
