The lede is a little buried in that README [1]: ## Sealed Computing A canonical use of Oak is to build privacy-preserving sealed computing applications. In a sealed computing application, a node (usually a client device) sends data to an enclave application (usually a server), which processes data without the service provider hosting the enclave application being able to see the inputs, outputs, or side effects of th…
Honestly, I think it will be used for the reverse (and unfortunately more evil) - Google wants to be able to control YOUR machine's compute environment for things like playing back of DRM'd content. They want a chain of trust that your browser cannot be modified to do things like block ads.
I'm fine with more controls in place, a safer internet is clearly a social win that would reduce life alerting fraud, scams etc. If power users want to go to their peer-to-peer cesspool then go for it.