In fact, the down force is greatest when it is stalled.
Now lets see, the horizontal stabiliser is an inverted aerofoil generating a downforce whose purpose is to help keep the fuselage level in fast forward flight (ignoring for a moment its role in pitch stability).
Ah but according to St Nick, aerofoils tend to generate the most lift when they are stalled. Next time I fly a fixed-wing I must remember to keep the wings stalled at all times, thereby maximising the lift.
Whilst you are blessing us with your superior knowledge, could you explain why according to those that actually fly it (Mr 212) its more nose up in strong winds than in light winds (strong winds to a former N Sea pilot means 40kts +)