They won’t, dude!
Casper protocol is just a myth. A fairytale that Buterin tells his devoted $hit coin holders. Without transaction verification ETH network will stop functioning, while paying to minners through Ethereum Foundation might be an option m, however, in this case the Foundation itself will be running out of funds and proof of stake will be introduced again.
Those, who wright that NEM has no smartcontracts- get to Google and see for yourself. NEM has smartcontracts- the big difference is that in NEM they are off-chain, rather than on-chain, which rationalizes the cost.
ETH is a $hit coin- 100%, though the truth is- $hit coins still grow in price and that’s why your arguments are not convincing me- the major purpose of any coin is not to make you rich, but to introduce utility- and at that stage ETH is completely over performed by NEM. Those failing to admit that actually prove that they are nothing but laymen in the question