So you are basically taking your personal opinion and are trying to push it onto others without having scripture from the New Covenant that instructs Christians to observe Saturday or warns Christians that no observing Saturday is sinful. Even more Weird.
Mar 2:27 And he said unto them, The sabbath was made for man, and not man for the sabbath: 28 Therefore the Son of man is Lord also of the sabbath.
Mat 5:17-18
17 Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil. 18 For verily I say unto you, Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law, till all be fulfilled.
Mat 19:17-18
17 And he said unto him, Why callest thou me good? there is none good but one, that is, God: but if thou wilt enter into life, keep the commandments. 18 He saith unto him, Which? Jesus said, Thou shalt do no murder, Thou shalt not commit adultery, Thou shalt not steal, Thou shalt not bear false witness,
Rom 3:31 Do we then make void the law through faith? God forbid: yea, we establish the law.
Rom 6:1 What shall we say then? Shall we continue in sin, that grace may abound?
1Jn 3:4 Whosoever committeth sin transgresseth also the law: for sin is the transgression of the law.
Rev 12:17 And the dragon was wroth with the woman, and went to make war with the remnant of her seed, which keep the commandments of God, and have the testimony of Jesus Christ.
Rev 14:12 Here is the patience of the saints: here are they that keep the commandments of God, and the faith of Jesus.
Rev 22:14 Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.
Jas 2:10-12
10 For whosoever shall keep the whole law, and yet offend in one point, he is guilty of all. 11 For he that said, Do not commit adultery, said also, Do not kill. Now if thou commit no adultery, yet if thou kill, thou art become a transgressor of the law. 12 So speak ye, and so do, as they that shall be judged by the law of liberty.
Jesus, our perfect example, consistently observed the seventh-day Sabbath. He did not come to abolish the law but to fulfill it, asserting that not even the smallest mark would pass from the law while heaven and earth remain.
it was His Custom: It was His regular practice to worship on the Sabbath day Luke 4:16.
He clarified that the Sabbath was made for the benefit of all humanity, not just one nation Mark 2:27.
Joh 15:10 If ye keep my commandments, ye shall abide in my love; even as I have kept my Father's commandments, and abide in his love.
Mat 24:20 But pray ye that your flight be not in the winter, neither on the sabbath day:
When speaking of the destruction of Jerusalem (which occurred decades after His resurrection), He instructed His followers to pray that their flight would not be on the Sabbath day, showing His expectation of its continued sacredness
Following the resurrection, the apostles continued to recognize and observe the seventh-day Sabbath as the day for worship and preaching the Word of God.
Acts 17:2, Acts 14:42-44. Acts 18:4,11.
There is heaps of verses that show that the sabbath remains.