This. Bitcoin is currently paying transaction fees through inflation, but as the halving process continues, those fees will shift back into the marketplace in a less implicit way, as miners need to continue being paid.
Tech like this will never die, it will just become less used if that problem isn't solved, but there will always be some group of people willing to use it despite those charges due to the nature of decentralized cash transfers without a trusted party.
https://blockchain.info/charts/cost-per-transaction-percent