On the other hand, malicious actors have been remotely draining banks, especially small banks, remotely due to their poor IT practices. So a bank system that

On the other hand, malicious actors have been remotely draining banks, especially small banks, remotely due to their poor IT practices. So a bank system that is "up but insecure" is only a recipe to be horribly hacked later. I rather my bank be down for a few hours and come back online with my money intact than be hacked and drained and but online.