Instead of investigating tiktok, why doesn't the EU investigate why obstruction of justice by the government is not punishable. Why does it not investigate why

Instead of investigating tiktok, why doesn't the EU investigate why obstruction of justice by the government is not punishable. Why does it not investigate why they (The Dutch government) introduced a new law in 2020 that everyone in government that has secrets to keep may lie in court under oath and not be punished by perjury. Which undermines the very concept of a democratic state of law.