It doesn't say that those particular uses are dangerous. But it says that their overall standards don't prohibit the use of potentially dangerous methods.

In a non-critical application that kind of stuff is usually fine. But for critical infrastructure there are normally rules against using potentially unsafe methods like those entirely.

Huawei would need to be more transparent to show that their practices are secure and that these uses are wrapped in some kind of protective framework. But until that happens it's reasonable to be skeptical from a security (and stability) perspective.