What's the line between "were making someone do something" and "We have an army of psychologists hard at work to convince someone they need to do something"? Is

What's the line between "were making someone do something" and "We have an army of psychologists hard at work to convince someone they need to do something"? Is that line different when it's directed to a 14 year old? Or a senior citizen? Or someone you know is likely a addict of what you're selling?