Can you take pictures of strangers?

Can you take pictures of strangers? Not only do you risk making a stranger feel embarrassed, paranoid or threatened, taking an image of somebody without their consent while in a private place is illegal at worst and morally dubious at best.

Not only do you risk making a stranger feel embarrassed, paranoid or threatened, taking an image of somebody without their consent while in a private place is illegal at worst and morally dubious at best.