X has reportedly become less profitable since Musk's takeover, with a 2023 report saying it saw a 54 percent drop in revenue.

This is not the first instance of differences propping up between the billionaires. In August, during an interview Mark Cuban criticised Elon Musk suggesting that he might have manipulated X's algorithm.

Elon Musk has humorously reacted to fellow billionaire and "Shark Tank" famed investor Mark Cuban‘s interest in purchasing X, formerly known as Twitter. What Happened: Musk, who bought Twitter in 2022 and renamed it to X,

Daniel Lubetzky, the founder of the Kind snack company, began appearing as a guest on “Shark Tank” five years ago. Soon he’ll have a permanent seat.

"Knockoffs are a plague on small businesses, that costs them time, money and may put them out of business," Cuban wrote in an X post on Wednesday.

Billionaire investor Mark Cuban says he is working with Vice-President Kamala Harris ’ campaign to find ways to protect American companies from Chinese knockoffs. In an X post on Wednesday, Cuban said he had an “interesting conversation with the @KamalaHarris team about protecting American companies from Chinese Knockoffs”.