Since 2015, several data centers have been submerged underwater in both the Pacific Ocean and Atlantic Ocean. The first underwater data center was deployed by Microsoft into the Pacific Ocean, off the coast of California, through an experiment called Project Natick, with Phase 1 being a vessel carrying 1 rack, containing 24 servers.
enjoy running millions of dollars of sensitive equipment in salty air
plastic bags are not unknown technology.
Famously good at allowing airflow for cooling
Look, I get that you're trying to be funny more so than accurate, but we're already doing sea based servers and they work fine.
Some datacentres are already run under the water, this shouldn't be too different.
Fresh water not salt water silly
no very much salt water I'm afraid.