Again not true at all. If I take a picture of Times Square with 1000 people in it, I don’t need permission from anybody there. I can sell the photo as a stock photo or otherwise with absolutely no permission. The same principle is true for a picture of one person on your local street.
Crowd photo yes. Photo of one recognizable person? Stock sites will absolutely look for a model release so that it can be used in marketing materials, ads, etc. You can, of course, simply publish it on a blog or in a newspaper or sell it as a poster without permission.
