The left is relative. Otherwise we still believe in the solutions of 50 years ago now.
Try nationalising manufacturing and farms. See how well that works. That was left wing once. Now it’s not. Even if there are still things you would nationalise.
You’re trying to create absolutes to argue easily against. That’s often the way political discourse goes but it’s wrong.
By all means build a straw man and totem of the left and right but it’s far more interesting to find the nuance and use your intelligence rather than treating the debate like a team sport to be won and lost.