Well that's just putting 2 and 2 together and getting all mixed up. Your answer on this site had nothing what so ever to do with your crash. What happens, happens. Your crash (though a very bad thing) was a result of a series of random events and choices that you and you alone made, as was the weight gain made by the questioner. How do you know for certain that it was genuinely sincere question anyway?
I have done downhill mountain bike racing for almost 13 years now, putting my body at risk every other weekend and have never needed medical attention for a crash.
And yet, a month ago I was riding home along a smooth, flat, bridleway and I hit a fallen tree, got knocked out for over a hour and ended up with a whole lot of stitches in my face. It's fu**ed up my looks for the rest of my life.
Though it in no way comes close to your injuries, it just goes to show that bad **** can happen at anytime to anybody no matter how 'at risk' you may or may not think you are..
But I don't think for a minute that my crash was in anyway related to any of the bad things I've said or done in my life. I'm certainly not going to change. I enjoy being who I am and enjoy doing what I do only death will change that and after that I won't care anyway.
So keep being you and keep doing what you do. After all, what sort of a world would we live in if all comedians stopped offending people..?