It’s still partially true. While consumer stuff is constantly being updated and rewritten, a lot of corporate stuff is stuck to whatever system it was originally designed for. Mainframes are still around for a reason

Only as long as the US has something to offer in return, but the Chinese are gaining ground in a lot of countries

What exactly would you like? If you want something like an EC2 instance (or the google/azure equivalent), those have volumes are encrypted at rest, and you can install all your services you need including a VPN and SSL certificates.