There's a sense in the wine business that your neighbor is part of your support mechanism. They are not a rival or a competitor. Lots of information and stuff is shared in this wonderful trade.
If you need a tractor because yours is mired in a soggy field, no problemo! Need a little welding and custom fabrication on a pump? I'll be right over with a welding rig. Stuck fermentation? I'll send over a portable heating unit.