Yes when drinking salt water it will make you go crazy eventually because you're severely dehydrated even though you're drinking salt water.
Salt water dehydrates your body quickly and when you're dehydrated because of the salt in the salt water you become crazy and cannot think clearly and eventually you'll be dead if you do not get medical attention.
The salt water causes extreme dehydration delirium and loss of cognitive functions which causes you to go crazy.
The salt water can also shut down your kidneys because the kidneys cannot flush the excess salt out of the water and urine.
Drinking pure salt water should never be done because it can be deadly.