Apple lies about the capability, strengths, and shortcomings of their products all the time, and have done so for as long as I can remember. It just seems to be their standard practice.
No, they just don't bog their messages down with caveats, which just serve to confuse people. Effective communication sometimes sacrifices some small measure of accuracy. You see this in conversation all the time.
The parent post may be a bit generalizing, but how exactly is "the safety of your system also depends on the user's actions" a confusing caveat? Because that is the point being suppressed/omitted in the present case.
