At the end of the post the author does say:
I’m giving Huawei the benefit of doubt on this one. As a commenter suggested, it is probably a hack to run the GUI as root.
But we still have a problem with hardware manufactures thinking “oh we can just use root for everything and it’ll turn out alright!”, because they’re not familiar with the platform.
This is one instance where Microsoft was able to impose order and open source desktop environments need to start thinking about doing so, too.