The WT use of restrictions is scriptural!
Take the prodical son, he was just not welcomed back! He came back with restrictions! Remember, he could not date his father's slaves for three months!
Look at the Shepard who left the 99 sheep to bring back the one lost sheep! The lost sheep was “spanked” and then put back in the pin!
When Paul disfellowshipped that one brother in 1Cor, he was welcomed back, with restrictions. Remember, he could not water the congregation’s camels for three months!
Its all in the Bible.............I see, said the blind man....