Some people are comparing banning gambling to banning alcohol or tobacco.
Many of the ideas that later became the United States were discussed in a bar while drinking, the same cannot be said anywhere for solo gambling. Whether you like it or not, alcohol and tobacco are woven into the social order.
You should try looking up betting, coffee houses, and the 18th century, or the founding of the London stock exchange. Gambling plays more of a role than you might want to admit.