That's true. We should depend less on things that are so vulnerable. LNG is partially a solution though - a liquefaction or regasification terminal is easier to protect, and defence of shipping at sea is a well-debugged thing since WWI.
> defence of shipping at sea is a well-debugged thing since WWI.
When (presumably) the Royal Navy was in charge of it. Since WW2 it's been the US one that's handled it, but... Some pundits *cough*PeterZeihan*cough* have been saying for a while now that America is withdrawing from the role of World Police.