Everything is an ad these days. The article was not useless, but for the information it provides, it could have been two paragraphs.

FWIW it told me stuff about openfaas. Now I know how to mentally file it and how to mentally file the author. The GitHub profile alone might not have sent the same signal, so this is useful.

Is it bad software? Idk. Probably not.

Should you treat it as a grassroots Foss thing maintained by fellow sane hackers? No sir.