Not Book Specific Objections

Christians are "new covenant" believers.  Christ gave us new laws as part of the new covenant.  We don't have to obey the Law of Moses.

It is impossible to obey the Law.  Jesus observed the Law perfectly, so we don't have to try to keep it.

The Levitical priesthood was only necessary for a period of time until the Melchizedekian priesthood was fulfilled in Christ.  The lesser priesthood (and the lesser covenant) are no longer needed!  Why have the Mosaic Law at all?!?

If you read through the Gospels, Christ only gave nine of the ten commandments to His followers: the commandment of the Sabbath was never reiterated.

God was apparently done with all of that so He allowed the Temple to be destroyed and it hasn't been rebuilt in 2,000 years.

People didn't keep the 613 commandments before Sinai and they didn't keep them after Christ.  The dispensation of Law has ended, therefore, we don't have to obey the Law now.

Moses went up to God, and the LORD called to him from the mountain, saying, "Thus you shall say to the house of Jacob and tell the sons of Israel..." (Exodus 19:3)

Trying to apply the law of Moses to Gentiles would violate the letter of the law itself since it is addressed only to the Jews at Mt. Sinai and their descendants.

The Law of Moses was given to the Jews at Mt. Sinai.  I am not a Jew therefore the Law does not apply to me.

Afterward all the sons of Israel came near, and he commanded them to do everything that the LORD had spoken to him on Mount Sinai.  (Exodus 34:32)

The physical law (the commandments of the Mosaic Law) was given to physical Israel, but we are spiritual Israel so the physical law doesn't apply to us.

With all of the calendar changes, wars, natural disasters, and other events, we don't know what day "the seventh day" really is.  We are free to observe whatever day we want.