You don’t get to pick that. The other side would disagree 180 degs.
In a large, ideological sense, conservatism opposes rapid change. The filibuster aligns with that core conservative perspective. The litmus tests du jour (immigration, abortion, Obamacare) are all ephemeral.
“conservatism opposes rapid change.”
Conservatism opposes rapid change of that which has passed the test of time - it doesn’t say that when you’re pushed into a well you must climb out only slowly.