It is totally a parenting issue. Nothing to be solved by regulation or anybody else. That is the "BIG BAG WORLD". And this is from someone who absolutely loathes all Big Tech companies, Apple, FB, Google, MSFT and AMAZON. And I work in tech for 18+ years

EDIT: What adults need to understand is that IG is an ad platform first and not an IM or connection platform. And leave it. If you can't convince adults then children are totally lost cause. Adults also face the same problems. These don't go away when you are not a teen. Where your teen goes and what they do, is up to you as a parent.