What were people most afraid of? It was not failure but a sense of inferiority! Lin Jie really liked the saying "a man can be destroyed, but not defeated"! Therefore, Lin Jie made such a decision after he saw that his comrades had felt inferior after experiencing Hungry Tiger's strength. Once the seed of failure had been sown in one's heart, then it would be difficult for them to improve.
Indeed, even if it was anyone else, they would not be in a better state than everyone in Savage Blade. Their strengths were originally at the top of the game, but suddenly they came to know another technique existed, and such a technique could raise a certain ability of a job to the peak.
If their leader, Lin Jie, was the only one to have grasped the true technique, they would still be able to accept it, at most, everyone just had to continue working hard.