Why did Mark Cuban sell back?

Mark Cuban decided to sell the majority of his stake in the Dallas Mavericks to Miriam Adelson of the Las Vegas Sands casino empire for over $3 billion. The primary reason behind this move is to focus on his ambitious vision to transform Dallas into a hub for sports betting and entertainment. Cuban plans to leverage the legalization of sports betting by building a new arena, casino, and hotel properties, creating jobs and attracting tourism to Texas 1 2 3.