Gotta love science and evidence-based policy. Same happened for opiates and harm reduction.
They did the science and just applied it as a policy, even though it was counterintuitive and in opposition to the popular beliefs. This actually requires some confidence and courage.
I'm sorry for countries who are still entrapped in dysfunctional quo and misconceptions simply because they lack the courage to even pick up the debate...
Each policy has *some* disadvantages and people get tired with them, without really understanding how the situation looked before or looks elsewhere.
Growing demand for changes is natural, each policy needs to be periodically reviewed and maintained. If you just leave it be, it no longer serves its purpose and increasingly contradicts the reality.