I would disagree since we have seen those not support on key issues. Might as well have the enemy because at least we know who they are at all times.
As much as we dislike Susan collins, she has been a key vote for our side several times. Her 30% has made a difference. When she leaves, we will get a democrat 0% all the time and it will show then.
However, in a red state, there is no excuse for Lisa Murkowski in Alaska nor Kentucky having two spineless Senators Rand Paul and Mitch the turtle. They even have a democrat governor...