Where I grew up, that was called being polite and it didn’t automatically rule out anything other that conservatism.
>There’s a ton of room between disagreement and harassment.
There was a time where that may have been true, but we're far away from those times.
Not sure when things got all turned around in America. Liberalism = smaller government and a free market. Yet in the US a "liberal" dislikes capitalism and wants more government? It's odd.
Left and Right: The Prospects for Liberty - Murray N. Rothbard
American liberals love capitalism; its one of the key things that differentiates the liberal (center-right) faction of the Democratic Party from the progressive (center-left) faction, which is (largely, quite mildly) critical of capitalism, and, in turn, from the actual left.