I am sure problem gambling can lead to cases of domestic violence. Mostly, it is because the man of the family (who is addicted to gambling) does not have the means to get enough money to continue, so he uses money which was supposed to be used for the upkeep of the household, leading to arguments between the members of the family. If the man as a bad temper, then physical violence ensues.
I am sure it happens quite often with gambling, because I have heard about cases here in my city about men who are addicted to Videogames , specifically MOBAS like League of Legends, to the point of neglecting their wives and not working as much as they are supposed to meet the needs of the home.
I recall one occasion the wife tried to keep his husband from playing by setting a password to the computer, that unlashed the anger of the husband who physically assaulted her. Remember, we are talking about a videogame which does not have a direct relationship with the wager of money.
Imagine what would happen in scenarios where the husband is not addicted to MOBAS but to playing dices, Plinko or slots, the domestic violence would indeed be worse and if the wife does not report her husband because the social stigma it could bring to her and the rest of the family, she is likely to either continue to be a victim of violence and face the bankruptcy of his family.
Even a person is known to be calm, his attitude can still change, once he became an addict. When I say addict, this is not only limited to gambling but it can be be with drugs, video games, and others... They might be different but their nature is the same. It can give us a good dose of dopamine.
Many video games now are not free to play. There are some who are, but players has the option to deposit money so that they can buy their characters a skin and other stuffs which can enhance their gaming experience. This is very alarming, so we should ask the help of the authorities as soon as possible before it leads to brutal crimes.
It is not so much about being able to purchase skins or weapons for a game which is played in a multiplayer environment, there is nothing illegal about it, in my opinion, micro transactions are not good, many people do not like them but they do not have anything to do with gambling. On the other hand there are other mechanisms which could be considered to be very close to gambling, like the loot boxes.
Unlike normal and common micro transactions, with loot boxes, players cannot choose what their prize will be, for the same price one could get a very rare item or a common one, being the former worth thousands of dollars. It is basically gambling in disguise. Those I would be indeed in favor of being banned, since there are many children and teen who play those video games and could get addicted to loot boxes (gambling) from a very young age.