1. The DTS is levied on revenue--not income.
meaning , the tax base is big;
2. 25 countries implemented, and many others proposed, all over the world.
3. Canada 3%; Franch, UK, and Spain, 3%, 2%, 3% respectively.
4. In UK the top 18 teches' DTS payment exceeded their coroporate tax. But UK only charges 3%, there are countries charges 7% plus .
In short, it is not insignificant item.
You can imagin, if those get dropped cross the world, big teches earning estimate will have big one time lift.