There is nothing progressives support that is or would be damaging to this country. The Left is not just as bad as the Right, and Horseshoe Theory is a totally discredited notion of politics, given that what "centrists" support never actually works as policy.
For example, single-payer healthcare would have made a major positive difference in American lives, so would free college tuition- the Affordable Care Act and student loans, by contrast, don't help anyone but the corporate healthcare and credit industries.