Energy is zero sum. If you’re throwing away carbon neutral energy you could instead use that energy to displace consumption of energy that would otherwise be produced by coal or whatnot.
Furthermore, many of these data centers use evaporative cooling as opposed to a sealed system and water indeed goes right out and into the atmosphere. There are limitless articles discussing this and the footprint
Edit: I should add that the whole zero sum aspect of energy is why things that ‘scrub carbon’ are a pipe dream. That stuff often requires so much energy to produce that, even if it were made from solar or whatever, there’s always a more positive impact simply by taking that energy and using it to reduce energy production that emits all the carbon in the first place. Consumption is still the crux of the problem at this point and to look at anything that requires gobs of energy and uses clean energy as some insular thing that is separate from things that use dirty energy is not a good way to look at things
I don’t really view it as a humiliation. I’m slightly more surprised UK joined than I am surprised UK left, given their stature on the world stage throughout the past handful of centuries. A country doesn’t give up much culture or autonomy or individuality by joining but it’s enough that I’d figure UK wouldn’t wanna move in that direction in the first place