The bible says cursed is a person who cannot keep ALL the laws. If you intend to follow the law and cannot fully comply with ALL of it, you are under a curse. Plain and simple. No twisting of words like you did.
No alleged Sabbath Keeper I have ever met even TRIES to keep the 4th Commandment. They want us to THINK they keep it. And we know they THINK they keep it. But they don't. Not even close.
What they do is pretend that all of those foreigners that work seven days a week to produce the products they buy are not "manservants and maidservants" as it is defined in the 4th Commandment. But there is no doubt that had this situation been looked at in the time of Christ, it clearly WOULD have resulted in stonings, for the clear-cut violation of the Sabbath.
So the Sabbath Keepers are just indulging themselves in a whimsical fairy tale by pretending the money they buy products with does not hire people to make the products on the Sabbath. They pretend that their economic transaction is impersonal with people they do not know, so that it somehow "washes their hands" of the sin.
It doesn't. Under the 4th Commandment, they "hired" those Chinese to work seven days a week and violate the Sabbath to make the products they want.
So the Law is unworkable, despite their half-hearted protests to the contrary. Sabbath Keepers attempt to ignore the strong prohibitions in the New Testament against trying to keep the Law and to convince other people to do it as well. This is PRECISELY why ALL of the First Century Christians had a one-word description of their futile and empty gestures:
"Hypocrites."
Deep down inside, they know their vain and clumsy half-hearted attempts to unctuously pretend to keep the law are just foolishness. They hope that Grace really is sufficient to make up for their complete lack of commitment and effort on keeping the law.
It had better be. Their laughable and erratic stabs at law-keeping impresses nobody.