The implosion of the Titan submarine (OceanGate) was so rapid that the pain wasn't even registered by the brain. They didn't feel anything at all. Utterly instantaneous.

[u/ThugLeeVoguee]

[u/xeviphract]

My co-workers bought into the line that 'They're still alive, but trapped at the bottom of the Atlantic Ocean,' as if that were a better outcome than the much more likely instant death scenario.

They thought I was the pessimistic one.