I do not count vegetavles however if you do eat a lot, the others are correct in saying the online system assigns them a point value.

I don't do WW Stella, but I know what you mean about the steamed veggie bags. I've had an entire bag as a lunch before because ... HELLO! Healthy! Anyway, I'd probably take the points just to be safe. Hopefully that'll boost you off of your plateau and onto achieved weight loss. :)