"Now all we need is for the government to swallow their pride, along with the evidence presented to them, and change the law." Little chance of that happening

"Now all we need is for the government to swallow their pride, along with the evidence presented to them, and change the law." Little chance of that happening when politics is pure ideology. They pick the course of action beforehand, for the manifesto, and seek evidence that supports it later. If your evidence supports the counter view expect to be ignored or ridiculed. So perhaps come the next government, depending on who gets elected...