Quite a few operas are still being commissioned around the world, although nothing apart from audience popularity can ensure more than a few performances. ↗
But having said all of that, that still doesn't account for a lot of the increase in popularity which stems, I think, from Lincoln's personal characteristics. ↗
I hesitate to predict whether this theory is true. But if the general opinion of Mankind is optimistic then we're in for a period of extreme popularity for science fiction. ↗