Why is the demand for golf decreasing

Why is the demand for golf decreasing? You would think it would be increasing now that baby boomers are retirement age. Be sure and include opportunity costs in your discussion. Each discussion should be backed by at least one reference from either the text or an article from the Internet. some internet source: https://www.coolefitness.com/how-much-money-americans-spend-for-gym-memberships/ https://twitter.com/RickHorrow 

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