There was always a potential, but without a plurality of momentum, they're not going to replace their predecessors. The early 00s was the best chance for this

There was always a potential, but without a plurality of momentum, they're not going to replace their predecessors. The early 00s was the best chance for this, in the wake of the Susan B Anthony reissuance and the new Sacagawea dollar, when there was a decent amount of public interest, but as it turns out, anything less than 100% acceptance is just not as good as the 100% acceptance of quarters in coin machines, or dollar bills in bill readers. People won't use them if they aren't accepted, and retailers won't accept them if they aren't used.