Unfortunately the founders did not list a right to private property in the Constitution or the Bill of Rights. Had they done so much of the progress the left has enjoyed infringing on property rights over the past 100 years would have been avoided.
Whatever you call them - leftists, communists, socialists, collectivists, progressives — they sincerely believe the central government is supreme to the individual. Rights and privileges are doled out to citizens by government. In addition, while they never overtly admit it, progressives believe the product of the work of citizens (i.e. their incomes) is the property of the state. Through the tax system the state determines how much of the income of the individual citizen the citizen will be allowed to keep. Essentially collectivism assumes the individual is a slave to the state.
We form governments to insure and protect freedom that is already inherently ours.
So, when we have the Presidency and both houses back, make that a priority amendment.
That will force the hands of those who oppose it to disclose their position.