Well that is not the experience of other countries, mass shooting at a school in the UK over 20 years ago, tough gun laws passed. Result, no mass shootings since. Mass shooting in a school in Australia 20 years ago, tough guns laws passed. Result, no mass shootings since.
When NRA supporters killed many more Americans and kids than supporters of ISIS then you know you have a problem, but like an alcoholic still drunk America refuses to admit it has one.