Since when is Jerboa the "official Lemmy app"? It's not even the only FOSS app and I'm not aware of any connection between the Jerboa and Lemmy developers, let alone the various admins of the lemmy communities that Jerboa accesses. Use a different app if Jerboa isn't working for you
Edit: I was wrong, just looked at github and it looks like there is an affiliation between lemmy developers and Jerboa. But it's still not the official app of any of the instances, so it's not like Reddit where the devs and admins are the same entity
For everyone's awareness, this article appears to be a local news article, but is written by "The National Desk", which is Sinclair Broadcast Group's centralized source for conservative-biased news stories that they can air on their network of owned local channels. So this absurd quote about "promoting gender" is the best light that they can put on this "warning", which really says something