While sometimes there's flooding, hurricanes here are more about the wind damage and consequent power loss. Providing a place to recharge electronics and sit in the AC for a while is actually a useful convenience (and potential life saving for some as mentioned in the article). For all the awful things churches do, this really isn't one of them.
As for relocating: leaving aside the ethics of moving people from their homes, I"m not sure anyone's figured out how to relocate the ports and oil refineries to a more convenient location yet. This is why spending (a trivial amount of) taxpayer money is worth it, the return on investment is non-trivial.
And we don't have basements, so no worries about that!