If you've been sitting on making a post about your favorite instance, this could be a good opportunity to do so.
Going by our registration applications, a lot of people are learning about the fediverse for the first time and they're excited about the idea. I've really enjoyed reading through them :)
Its like with normal advertisement. If you heard the name of it before, especially from a trustworthy source, then it instantly becomes more trustworthy to you. When people seriously start looking for alternatives, they will think back or try to find that episode again.