My take on this might be too pragmatic for your taste, but I think that as long as the paywall disappears if you enter through Google (as is usually the case),

My take on this might be too pragmatic for your taste, but I think that as long as the paywall disappears if you enter through Google (as is usually the case), it's not more than a minor inconvenience. I agree that content that isn't openly and globally available should be avoided.