It is often said that "how a man makes his bed, so does he lay on it", someone who is so passionate about gambling to the extent of him increasing his bets amount uncontrollably has two chances, either he wins big or loses big.
If he wins big, then a big congratulations to him and a learn we perhaps can draw is that, at times, it is good to take big risk for in it lays the big reward.
But for the person who loses big, he can or may decide to take a break, and it is wrong to conclude that he will come back from that break and continue to gamble that way, for this reason, a break is not necessary, loses teaches almost every gambler lessons, except for those who have mental problems.
Someone who lost big money will not be told to start small again after coming back to gambling, this is if he or she doesn't even give up gambling.
There are also different continuation scenarios. For example, when winning, the player may not be satisfied and continue playing because he will lose the sense of stopping and greed will dictate his further play. We know how this usually ends, although as you mentioned without great risk there will be no big wins, it is important to stop in time.
But if the player loses and cannot stop, then these are already psychological problems in that the player does not know how to lose. Of course, this can be good, but certainly not in gambling, where it seems that it sucks him in more and more each time, when the player loses control of himself. This is a very scary feeling, I do not want to experience it again and so I learned to tell myself to stop.
In gambling losses are inevitable, and that's why we should be contented with the little money you win and quit the game at the right time. If you are not contented, it means that you are gambling for profit and there is a big consequences that awaits those gamblers that feel gambling can give them profit.