This is not universally true, at least it is certainly false in the Netherlands. https://energycontrol-international.org/wp-content/uploads/2016/04/Drug-Testin

This is not universally true, at least it is certainly false in the Netherlands. https://energycontrol-international.org/wp-content/uploads/2016/04/Drug-Testing-in-Europe-Monitoring-Results.pdf https://energycontrol-international.org/wp-content/uploads/2... See figure 7.