While all the guesswork ? They explain clearly why this is happening. And it seems fair.
"With the new tariff structure, we want to make conditions for our customers around the world as fair as possible. To do that, we will calculate our prices based on local conditions in Europe, Singapore, and the USA. Until this change, customers who have used fewer resources have covered the costs, in a way, for other customers who have used much more resources. We want to make things more balanced. The new prices will give our customers the best possible price for the resources they use."