Maybe define who can patch the contract at time of creation. In many cases you are already trusting the developer not to suicide the contract and run away with the money so I don't see how that would change things.
After seeing how many contracts get hacked I wonder why ethereum doesn't implement a way to patch them. I know the blockchain is immutable but they could publish a diff and allow developers to patch bugs before it's too late
DigitalOcean is quite expensive compared to GCE AWS and Vultur, but to answer your question yes it is. I ran a website with 2M monthly active users on their 5$ VPS
i think it's ASLR with more entropy by skimming through the paper, but most exploits have read primitives or infoleaks anyways so i don't see how more entropy affects them. If i am right it protects against attackers guessing the ASLR slide, but that's very unreliable and no FBI grade exploit should ever do that.
Italian here, according to the driver of the taxi i'm in right now Uber is unfair because their drivers don't have to buy taxi licenses(over 200k Euros each in major cities). The Italian economy is in a bad state and the government doesn't want thousands of taxi drivers without a job.