Liters are a great unit for making small things seem large. I've seen articles breathlessly talking about how "almost 2000 liters of oil was spilled!" When 2000 liters could fit in the back of a pickup truck.
Water "consumption" is also a pretty easy to abuse term since water isn't really consumed, it can be recycled endlessly. Whether some particular water use is problematic depends very much on the local demands on the water system, and that can be accounted for quite simply by market means - charge data centers money for their water usage and they'll naturally move to where there's plenty of cheap water.
I'm Canadian. Milk comes in liters.
If you're saying that 2 cubic meters can't fit in the back of a pickup truck, here's some truck capacities. A cubic yard is 0.764555 cubic meters, so a full sized pickup can hold 3.4 cubic meters of cargo.