Yup, cloud is a major motivation for SGX (see e.g. https://www.usenix.org/system/files/conference/osdi14/osdi14-paper-baumann.pdf https://www.usenix.org/system/

Yup, cloud is a major motivation for SGX (see e.g. https://www.usenix.org/system/files/conference/osdi14/osdi14-paper-baumann.pdf https://www.usenix.org/system/files/conference/osdi14/osdi14... for an example of how it might be put to use). I think it is good idea for making it more difficult for malicious insiders to mount an attack, but any claims of it protecting you from the NSA are laughable given Intel will probably hand over keys to them anyway.