Maybe so, but “someone will come up with a good application for them” sure makes them sound like a solution in search of a problem.
1. https://suredbits.com/discreet-log-contracts-part-1-what-is-...
If the best argument in favor of them is "well, they're not really good for much right now, but someday somebody might figure out a good use for them," then it's hard to see why people are so excited.
(Though, maybe it's not so hard to see why people are excited if the folks who are excited are all crypto fans who want to build hype to drive the prices up....)