Then the developers get angry and throw out the people in charge. Imagine, for example, what would happen if IANA arbitrarily stopped just a few people from getting domain names. We'd get a new IANA. (We can't do this with the "apps marketplace" vendors, though, and that is a problem. It's probably something that should be solved with an anti-trust suit or two.)
> If someone buys a computer, why do there have to be barriers from getting and using software directly from the developer?
Because--and this is the whole point of the Users/Administrators distinction--Users don't know enough about computers to distrust malicious software.
We put barriers between people and phishing sites, so they can't be tricked into giving their money away. We put barriers between children and in-app purchases, because they don't understand the consequences.
This is the same idea. Most people would go through whatever series of scary dialog boxes it took to run "cat_videos.exe". If you, an Administrator, were standing right there beside them, you'd grab the mouse from their hand and stop them, for their own good. We can't be there all the time. We want the OS to grab the mouse from their hand for their own good.
