There are several newbies who are posting and bumping these threads, so it's likely that they are doing so as part of the bumping service. The topics are still new, but they seem to fit the pattern.

Topic: (ANN) Fundraise Launchpad- Happy New Year 2022 Offers!
Topic: [ANN]AdLunam - The industry’s first NFT-integrated Engage to Earn seed crowdfund