It's a low-effort addition to the dialogue, but it is a legitimate communication of a viewpoint. Who gets to draw the line of which comments should be nuked? (My view, the repo owner should (and maybe already has that power))
If you keep tolerating BS then the BS will keep coming. That's why quality subs need moderators in the first place.
Why would somebody care about low effort dialog more than a year after the commit?
And my question to the github management is why can't any registered user report any low effort useless or offensive comment to the moderators, whoever they may be, like almost every other online discussion group outside of 4chan?