There could be several reasons. Two of the possible reasons are: Cost of making the changes to protect the grid could be very costly. They might not believe that a massive solar flare that knocks the grid out will actually happen, so the improvements are not necessary.
If you look at hiatory, it jas happened before. Look up the Carrington event back in the 1800's. A solor flare happened and FRIED the telegraph cables, and everything else around them. Just imagine if something happened like that today. Plus, the cost would be "pocket change" compared to how much we spend on needless wars!
massive walls and moats
karaqugh
Yes. Vultures protect themselves with their massive wings, claws, and with projectile vomit.
Dont make anything worth stealing
its a big ocean it can protect anything
Donate money to companies.
He built massive city walls and a moat
vacuoles don't protect anything, they are a storage unit for food, waste, and water.
Donate money to companies.
They protect their home by killing anything that might hurt them.
You cannot protect anything from EMP.
Breathing in anything that isn't natural will be hard on your body and lungs. Many companies provide masks to protect their employees.