Yes, gambling is always considered negative by everyone because it can harm yourself .. because gambling will make people lose consciousness because it can be addicted and can fall poor if continue to play gambling .. and when playing can trigger the lust without control and it is very self-harmful ..
But it is an activity many use for entertainment to reduce stress and anxiety and increase focus on more important things in their life. However, a very small percentagr of people get addicited and it can become unhealthy for them if untreated.