Yep, I've lost count of the people that I was unable to convince not to join the industry that came back a few years later(hell I was one of them).
Sometimes you can only learn a fire is hot by getting your hand burned in the flame.
Sometimes you can only learn a fire is hot by getting your hand burned in the flame.
vvanders' comment is such a perfect illustration of the situation that you should read and re-read it and then force yourself to believe it. I didn't.
None of this will really change the minds of a determined 19 year old to become a gamedev, though. That's why gamedev is able to treat employees as if they worked at a startup while giving none of the benefits. If one leaves, there are ten young people who want to take their place, and are massively excited to do so. For a few years.