Unless you consider the 'user' to be the employee sitting at the desk which is a topic for another discussion, unless the FSF is claiming that website blocking by an employer is user abuse.
Edit: There's speculation that the gambling classification was triggered by a pattern matching algorithm because of accepting bitcoin which mostly gambling sites tend to do. Maybe that's why only the donation page got blocked.
> The users are in control of the software, they can disable the gateway or add exceptions to it.
Still, you have to trust Microsoft the software will run as expected. With proprietary software, you have no option but to trust the provider. It doesn't matter how much they claim the software is secure, you will never know.
http://technet.microsoft.com/en-us/library/dd441041.aspx
Unless you consider the 'user' to be the employee sitting at the desk which is a topic for another discussion, unless the FSF is claiming that website blocking by an employer is user abuse.
Edit: There's speculation that the gambling classification was triggered by a pattern matching algorithm because of accepting bitcoin which mostly gambling sites tend to do. Maybe that's why only the donation page got blocked.