Should Mario Kart have more expanded single player content?

As of currently, all Mario Kart entries are stuck with Grand Prix, Vs Mode, Time Trial, and Battle Mode, and it has been this way since Super Mario Kart. Personally, I found it on the barebones side of things, with not much stuff to do for the single player other than race on cups for all cc's

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Should Mario Kart have more expanded single player content?

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