It is true that you say we must be careful in spending money, pay attention to every money spent from the income generated. Many people do gambling by forcing themselves when they run out of money and don't even have income, of course this is a problem, because forcing themselves to gamble is certainly not the right thing, because if we really want to do gambling we should have a clear income first. Do not force the situation.
If we have income or income it must be managed as well as possible, do not just have the income we can gamble excessively. Managing finances properly must be done because it is for our own good too.
We know where we allocate the income, and not just allocating the money to gambling. It's easy to spend the steady income we generated, but it's hard to manage the money. We have the ability to know where the money should go and how much money we left so that we can use it to deposit the money to our gambling account to start gambling. We don't have spend much money to playing gambling. Gambling is just for fun for us.
If we can manage the steady income well and filling all necessities, including allocating some amount to playing gambling, we don't have to break our limitations because we can use all the money we have in the right place. Steady income are means we have something that we can use to fills our needs, and we must manage it well.
I agree with you that it is very easy to spend the fixed income you earn, but it is difficult to manage it well. I myself once had a high income but often that income ran out without knowing where to go, this was because I couldn't manage it well. So in the end I thought of ways to manage my income well, one of which was by recording expenses, this, in my opinion, is often ignored by people who have income every month. and by recording those expenses, I can set a budget for gambling and not overdo it.
The importance of having a steady income can be useful for many things, including gambling if you really like gambling and the main thing is for needs. and what you say is true, if we have a fixed income we must be able to manage it well, divide everything well and prioritize our needs, not gambling. That's what you have to pay attention to, because in my opinion there are many people who have income but they risk all their income on gambling just because they want to get a big win.