The single main reason we lose at gambling is our lack of self-control. We cannot stop ourselves from gambling and gamble constantly and sometimes panic and gamble. Due to which our losses in gambling are more than our gains. And this addiction takes a more dangerous form when it comes to gambling. Which destroys a person's life instantly
I do understand it though, I would never blame anyone for making a mistake and not having self control. It's really not that easy. I am not saying that you should not have it, of course try to limit it and I have been doing that for many years now, but I remember my very early days gambling and I didn't had it neither.
I lost way more than I should, definitely put my finances at risk, just so I could earn it back, and it was a horrible period in my life. I fixed it, by self control. So, I would never tell anyone that they are doing a wrong thing and should be ashamed or something, I would say we all make mistakes, we are humans and every human makes a mistake, it's important to realize the mistake and learn from it.