Hi Jeanette
Unfortunately, the forum is sometimes targeted by people trying to get free advertising. Personally, I think they are wasting their time but they still keep trying. You can click the report button if you see any again.
About the ‘fighting’ hogs. Some of them just don’t tolerate another male, in particular, in their immediate space, wherever that happens to be. They are naturally solitary animals. It doesn’t always relate to food, although they are obviously more likely to meet if they are coming for food, although that probably applies to pretty much anywhere in a garden (unless it is enormous, of course!) Some hogs get clever at avoiding the others, but being rolled up doesn’t seem to do them any harm.