Eli5 why can’t they dredge up all the containers lost in the ocean last year when that ship capsized ?

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Eli5 why can’t they dredge up all the containers lost in the ocean last year when that ship capsized ?

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Recovering things from kilometers underwater = expensive.
Goods soaked in salt water and thrown around violently in the ocean = probably broken and not worth a lot.

So the simple answer is “it’s not worth it”.

They “could”, but why? It would cost a lot of money, take a lot of time, and what would the end result be? A lot of water damaged goods that are unsellable? No one wants to spend the money for those results.

They could, but it’s expensive to do anything underwater, and some soggy cargo just isn’t worth it without a really compelling reason. In Australia, for example, they’re salvaging containers that fell off a ship but that’s for environmental reasons not because the salvage value is worth it; it’s actually a horrifically expensive operation and they’re fighting in court over who’s responsible for the cleanup bill.

The ocean is very deep, and the way things can eddy around could spread them over a vast area. The containers are not likely to withstand the pressure of the deep, so everything inside is soaked uber pressure.

Not likely much to try to save, unfortunately.