Whether or not it is already accounted for under existing law, this sort of reasoning is about as valid as "the large and vocal constituency against a bill requiring everyone to pledge allegiance to the US is evidence that people aren't loyal to the country"
Better evidence would be someone who would have been eligible to bring a case under the new law having been denied justice under the existing laws.
Better evidence would be someone who would have been eligible to bring a case under the new law having been denied justice under the existing laws.