Well, maybe you don't care about US electoral politics, but this is also a way to bring more attention to the fediverse*.
"I decided to reach out to one of my contacts, Harris’s husband Doug Emhoff. I told him about our effort and asked him to tell the right campaign person [...] about the value to the campaign of establishing an independent presence on #Mastodon"
https://mastodon.social/@heidilifeldman/112833081145122343
(*And maybe you don't care about that either. Ah, well.)