It creates links to download directly from Microsoft. I've never had an issue relying on the ISO hashes from msdn.rg-adguard.net either. I just wish Microsoft didn't hide their updated monthly ISO's behind a MSDN subscription.
While I had to login to get the link to the ISO, once I had that link there doesn't seem to be any requirements to log in again. All the installs are in trial mode unless you get a key, which does require MSDN, but it would be nice if MS just had a convenient place to find these other than people using some 3rd party service. At least it would give people confidence that it's a genuine download and not been tampered with at all.