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The fault was not with God’s law- God’s law is perfect- Psa 19:7. You can’t make something perfect more perfect.
The fault was with
the people, not the law.
Heb 8: 6 But in fact the ministry Jesus has received is as superior to theirs as the covenant of which he is mediator is superior to the old one,
since the new covenant is established on better promises.
7 For if there had been nothing wrong with that first covenant, no place would have been sought for another. 8
But God found fault with the people and said
“The days are coming, declares the Lord,
when I will make a new covenant
with the people of Israel
and with the people of Judah.
9 It will not be like the covenant
I made with their ancestors
when I took them by the hand
to lead them out of Egypt,
because they did not remain faithful to my covenant,
and I turned away from them,
declares the Lord.
10
This is the covenant I will establish with the people of Israel
after that time, declares the Lord.
I will put my laws in their minds
and write them on their hearts.
I will be their God,
and they will be my people.
11 No longer will they teach their neighbor,
or say to one another, ‘Know the Lord,’
because they will all know me,
from the least of them to the greatest.
12
For I will forgive their wickedness
and will remember their sins no more.”[c]
Not once does God say He establishes His Covenant on better or new laws, it is established on b
etter promises. Instead God writes
His law in our heart and minds instead of deleting them. It’s not the same covenant, which just means agreement as it is based on better promises as this New Covenant has God doing, so its based on His power, not ours. He is the one giving us the power to obey Him. It’s based on a better promises because Jesus is now our High Priest and Mediator and instead of bringing an animal sacrifice for sin Heb 10:1-22, which is breaking God’s law Rom 7:7 1 John 3:4 we can go directly to Jesus when we repent Acts 2:38 Acts 3:19 which means a change in heart and direction and in doing so Jesus will forgive us and cleanse us of all unrighteousness 1 John 1:9 and gives us the power to obey His commandments John 14:15-18 but we have to cooperate. So yes, the New Covenant is indeed established on better promises, but still has God’s law written in our hearts which is why Jesus taught not to break the least of the commandments and when we keep our rules over obeying the commandments of God quoting from the Ten our hearts are far from Him May 15:3-14 Mark 7:7-13, the opposite of the New Covenant- God’s law in our heart obeying Him through love and faith. 1 John 5:3 John 14:15 Exo 20:6 Romans 3:31 Rev 14:12 which reconciles us Rev 22:14