Harry Truman actually said...

The course proposed by this bill would delight the communists, for it would make a mockery of the Bill of Rights and of our claims to stand ...

This whole problem, therefore, should clearly be studied more thoroughly before further legislative action along these lines is considered.

It would put the Government of the United States in the thought control business.

H.R. 9490 would not hurt the communists. Instead, it would help them.