Earlier quoted context omitted.
> it's been around for 8 years and nobody is using it That's laughably wrong, go look up how much revenue the Ethereum network is bringing in with smart contract fees.
And what are those smart contract fees being used for? - Speculators buying ETH to ride the bubble - A revolving door of Proof-of-concept startups with backing from starry-eyed VCs and no viable business plans that pop up, use a bunch of compute, and then fail, every couple of months. Ethereum mining conglomerates don't even use Smart Contracts, they just cite "a long history of successful payouts", trust, and old-fa…
A few other use cases: DeFi (mainly crypto backed loans), NFTs (so far not too interesting to me), distributed ETH2 staking pools, distributed betting markets (the coolest one in my opinion).