> Of the 483,127 PRs submitted during Hacktoberfest, only 23,299 (4.82%) were identified as spam, with 19,587 (84.07%) of those being in a repository that the Hacktoberfest team excluded from the competition for not following the shared values and 3,712 (15.93%) being labeled as "invalid" by project maintainers.
Spam submissions were sent to spam repositories, that hasn't been known for years.
From the article, they act like it's their burden alone:
> Their solution, per their FAQ, is to put the burden solely on the shoulders of maintainers.
But, as a contributor, I see plenty of links for me all over Hacktoberfest to report repositories that are also trying to skirt the system.