this pie chart is great but ignores the fact NFTs are growing exponentially as we speak. once we move to proof of stake everything will resolve.
however, if you consider the comparison in OPs link - "1.5 thousand hours flight" - and assume 1.5 hour flight averages $50, then 1000 x $50 = $50,000 for a piece sold for how much? millions? not only a great deal for the buyer but also for the environment, considering any business may have way over $50k in expanses (~= CO2 emissions) to generate this revenue.
however, if you consider the comparison in OPs link - "1.5 thousand hours flight" - and assume 1.5 hour flight averages $50, then 1000 x $50 = $50,000 for a piece sold for how much? millions? not only a great deal for the buyer but also for the environment, considering any business may have way over $50k in expanses (~= CO2 emissions) to generate this revenue.