“Woe to you, teachers of the law and Pharisees, you hypocrites! You travel over land and sea to win a single convert, and when you have succeeded, you make them twice as much a child of hell as you are.” (Matthew 23 v 15)
The Pharisees had a hardened sectarian code of conduct.
They were evangelistic.
The problem was that their rules and their enthusiasm to make proselytes (converts to Judaism) became entwined.
Jesus calls it out. He could see how they would take their convert and then burden them down with such an amount of rules that the person became more trapped than they were before conversion.
Evangelism is the path towards freedom not captivity.
This is our gospel.