I think it's because people don't know the connection between this Tweet and Musk's move, and it comes off as though you are simply echoing someone else's edgy Internet comment. I think if you were clear that you were sharing a historical connection for those who may not have known about it, you wouldn't have received as many downvotes.

Perhaps for the same reason an editor for a very prominent news paper got fired for publishing a policy statement by a very prominent politician.

Killing the messenger nowadays is all the rage. "Rage" here to be taken literally.