It's not just that a corporation owns their house, it's that another corporation owns that corporation, and a holding company in the Cayman Islands with a nominee director who lives in a postbox owns everything, except the IP rights which are in Panama - this year. And personal spending goes through a credit card set up by their own personal offshore bank, which effectively makes it loan. Etc.
If there are enough shell companies you can decide your own tax payments, because you can hide everything you choose to hide. It's not that these networks can't be disassembled, it's that they can't be disassembled efficiently. It can literally take months or years of full-time auditing effort to trace all the relationships.