[1] https://en.wikipedia.org/wiki/Trusted_execution_environment
Consumers are finding out the issue with cloud computing when their heating system can't turn on because Cloudflare is down. A cheaper and more reliable solution is still on-premises computing.
Large social network and content platforms don't have any incentive to keep your data safe because they want to monitor and own everything.
Maybe this is for something like a government running a public service?
Great for security - Being able to safely compute secrets is a very difficult problem.
Fucking awful for security - More OEM secret controls and "analytics" that devolve into backdoors after someone yet again post keys online.