Most of the tweets in the search are basically "I don't know why Ben 10 is trending, but sure, let's talk about it."

It MIGHT have gotten kicked off by an article from March 2019 about Warner Brothers considering a live-action series? With no later information that suggests they're going to continue?

I thought it might have been related to the upcoming end of the reboot series, and the accompanying movie, but I saw only one mention of that. And that was in the "no idea why this is trending, but here goes" category.