Whilst I do not know the "Torah Keepers" their name suggests they believe keeping the Law is a means of pleasing God and earning his favour.
Well, how did that work out for the Pharisees that did this meticulously, even building an additional fence around the Law?
(Matthew 23:23, 24) . . .“Woe to YOU, scribes and Pharisees, hypocrites! because YOU give the tenth of the mint and the dill and the cumin, but YOU have disregarded the weightier matters of the Law, namely, justice and mercy and faithfulness. These things it was binding to do, yet not to disregard the other things. Blind guides, who strain out the gnat but gulp down the camel!
*** w80 5/1 p. 5 Learning from an Experiment That Failed *** (Possibly by Ray Franz)
THROUGHOUT history there have been numerous attempts to influence people toward a more righteous way of life. One such experiment was made by the Pharisees, a group that receives considerable attention in the inspired Christian Greek Scriptures. Their experiment failed.