It’s exactly gossip to the letter of the definition:

“casual or unconstrained conversation or reports about other people, typically involving details that are not confirmed as being true.

"he became the subject of much local gossip"”

It’s not important, other than from the perspective of hating on someone at the personal level. I’m no Musk fan, but explain to me how this supports the Bulwark and their self-reported defense of democracy and all that is good in this world?