Place yourself in the shoes of a pagan who knows little about Christianity, but who has taken the first step of accepting that Christ has authority and Christ is God. Our convert also knows about sin, and has the sense he is missing something. To wit, he’s sick and he knows it.
Some particular man may find walking around his fellows while sick helps. Perhaps the fresh air, or the camaraderie, rejuvenates him.
But this takes too low a view of his illness, which is always terminal. It undermines the clear objection that some sick man be dissuaded of his diagnosis by meeting our wanderer, and vice versa; we also forget the effort may kill him. This also ignores our others, so ill that a brisk walk would always kill them. Hospitals, with doctors and nurses and somewhat controlled conditions, make natural sense.
I write this because Christianity presents, broadly, two choices:
- Merchant square, or
- Hospital for sinners.
If you make the case that God wants the merchant square model, you have a unique argument to hawk.