Most of the issue though is the water companies funnelling revenue to shareholders and not maintaining the network, so they lose an awful lot of water through leaking pipes.
The privatisation of critical utilities and infrastructure was such a stupid move.
That said, the recommendation is nonsense, emails and photos make up a tiny fraction of the cooling requirements for data centres.
Overall this is "just" a question of infrastructure, which means long term investments that have dried up (pun intended!) decades ago.
If these activities were not capped, the companies are naturally incentivised to build more to boost their regulated asset value, which means they can make more money.