[ginko]

Pretty sure "X times atmospheric pressure" would be a lot easier to understand for the average reader than what they came up with.

[ceejayoz]

Frankly, I doubt it.

I can roughly envision a giant pile of elephants exerting force on a tiny patch of ground better than I can interpret PSI or atmospheres.

The point is not to convey an exact amount. It is to say “it’s a shitload”.