This is part of the comment rules of one blog.

`Shameless self-promotion is well, shameless, and will get canned.`

(source: <https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html> )

I can't understand this sentence at all. Is this a typo or really a meaningful sentence? If so, please share the meaning of it and how to grammartically analyze it.