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[KillerLeft]

Luka is just a player. He doesn’t make a franchise inherently more valuable.

This isn't true at all. Ticket sales (and prices) Jersey sales (and prices), local promotional tie ins, the draw of corporate suites, nationally televised games...the list goes on and on and on. The roster value and future payroll of a team is ABSOLUTELY factored into valuation. 

It's the NBA. The most significant differentiator between it and other pro leagues is that a team's entire outlook, including even their valuation, tends to change significantly based on ONE player.