Oh sure, it’s ineffective in Iceland, France, Italy, Norway, Sweden, Denmark, Netherlands, Canada, Australia, Austria, Belgium, Spain, Portugal, Cyprus, Finland, Germany, Greece, Ireland, Poland, Romania, The UK, Bangladesh, Cambodia, India, Indonesia, Japan, Malaysia, Mongolia, Philippines, Singapore, South Korea, Taiwan, Turkey, Vietnam, New Zealand, and a hundred other countries around the world.
The amount of guns per 100 people in the US is 120 and the next highest is Yemen at 49. This isn’t a cultural issue, it’s a gun control issue.
No other country in the world has nearly the same number of guns in its borders.