That can encourage it, but people will need to charge even when it's not windy. Having a smart charger wait for cheap electricity which may never come is a great way to end up with dead battery.
That's not too smart then. I'm talking about something with a bag of weighted goals. Having a dead battery would have a strong enough cost that it would pay more for higher market rates if state of charge is low.
There's various APIs you can check to see these predictions
https://docs.watttime.org/