Why does Truman feel the Taft-Hartley act is radical and not" moderate," as some in Congress claim?

President Truman feels that this act give too much power to the employers.

This act granted the ability for the employers to restrict the activities and power of the labor union

Truman feels the act is radical and not "moderate" because he thinks the act gives too much power to the employer. This act allowed the employers to restrict the activities and power of the labor union.