That is what I did in 2006, still at it and still making a lot of money. You should try it yourself before you knock it.
My ex used to try to get me to go skiing, because he loved it, but I wouldn't - I hate being cold & have just about zero athletic ability.
We're all different, with different abilities and interests. Xiggi wasn't 'knocking' it, just pointing out that if you don't have the skills required [I know I don't!], it's not likely to be a success. That's why we're here, to provide some info that can help people evaluate their options.