Maybe he wants to make himself more attractive to employer firms. It's a good way to stay personally relevant into the 2025-29 presidential term, especially with the DC organizations who will be getting some of your campaign's ad time and potentially cycling around employees.
It's certainly not a serious attempt at boosting local candidates or coming close to winning. Cause neither will happen with two generic liberals as the potential Dem candidates, and the one who might cause hesitation will bury every opponent with his personal warchest. Nor are Dems likely to divert resources - especially if its Trone who has everything and more on his own - but anti-Trump Rs might.
