I think that one of the most important arguments for using encryption everywhere that you reasonably can (emails, files stored online, etc) is that the governme

I think that one of the most important arguments for using encryption everywhere that you reasonably can (emails, files stored online, etc) is that the government can no longer look at your stuff without your knowing about it. The authorities can still ask a court to order you to give up your encryption keys, but at least you will know that you are being investigated, and will have the opportunity to ask a court to tell the authorities "No".