What is the purpose of such spamming?
Well there is in a post a link to a given site that - supposedly - will count as *something* in whatever flawed metric search engines and similar attribute to that site, it is a (dishonest) way to do "SEO":
Here - only for the record - we have one of such examples (where erwan.l or some other good guy removed the links):
originally the words "Speed Test Scrabble Word Finder Solitaire" added inside the quote were hyperlinks.
The probability that an actual human user would ever click on them is very low, but to crawlers, harvesters and similar they would be "legitimate" or at lest "as legitimate as" any other hyperlink on the forum page.
Compared to the "usual" spammer, recent example, hyperlinks still active:
this "start new thread asking for help" approach usually makes for a stealthier result, who would re-vamp an 11 years old thread to post some (BTW "generic") comment? They are far easier to spot.
Copying an actual question or issue from Reddit or similar makes the initial post look more "legit", and unfortunately makes some of the willing to help members waste some time .