This presumes that:

1) I sell to you my special and cherished resource. You may live in the fever dream of "market rules all", but a cold surprise may come that not everyone does.

2) You can afford what I sell - especially if political winds blow so that your benevolent rulers choose to impose 1000% tariffs on my good tomatoes

3) That you even _know_ there's a difference, and that tomatoes come from a farm and not the store or a can.