This is rubbish. I think you ought to actually read the whole book. Most of it is not even messianic.
Correct, most is not Messianic, but a lot if it IS.
Messianic Prophecies in the book of Isaiah:
1. He will be born of a virgin
(7:14).
2. He will bring joy to Isra'el
(9:2).
3. He will govern the world
(9:6).
4. He will reign on David’s throne
(9:7).
5. He will be a descendant of Jesse and thus in the Davidic line
(49:1).
6. He will be empowered by the Holy Spirit
(11:2; 42:1).
7. He will restore the nations
(11:10).
8. He will judge in righteousness, justice, and faithfulness
(113-5; 42:1,4).
9. He will be gentle toward the weak
(42:3).
10. He will make a New Covenant with Isra'el
(42:6; 49:8-9).
11. He will be a light to the Gentiles
(42:6; 49:6).
12. He will be called before His birth to be God’s Servant
(49:1).
13. He will manifest God’s glory
(49:3).
14. He will restore Isra'el spiritually to God
(49:5) and physically to the land
(49:8).
15. He will be worshiped by Gentiles
(49:7, 52:15).
16. He will be rejected by Isra'el
(49:7; 53:1, 3).
17. He will be obedient to the LORD in His mission
(50:6; 53:7-8).
18. He will voluntarily submit to suffering
(50:6; 53:7-8).
19. He will be exalted
(52:13; 53:12).
20. He will take on Himself the sins of the world
(53:4-6, 10-12).
21. He will triumph over death
(53:10).
22. He will come to comfort Isra'el and bring vengeance on the wicked
(61:1-3).
Messianic Prophecies in the book of Isaiah - Isaiah Commentary