The reason that they go to the OT so much is because they have so little in common with very obvious problems with following the commands of Jesus.
Really? Jesus never said that he was God
He said ir so many times in so many ways that the WTS just distorts.
Quick example - Jesus said to come to him, he didn't say 'come to my teachings' or 'Go to the Father',
He said 'All men MUST come to me to go to the Father'
He also said "I am the way, the truth and the life"
JWs deny the most obvious truth of WHO Jesus is. They haven't a &%$#ing clue