Post millenialism went with 1000 A.D., bro. And preterism is a non starter...
I am surprised that a Catholic did not pay more attention to First and Second Thessalonians; even if you throw out revelation as “already happened”, some of Paul’s writings are difficult to toss off so glibly...
Actually, postmillenialism is alive and well. And that’s not even counting amillenialism.
Premillenial dispensationalism doesn’t have a lock on eschatology.
I just don’t buy the end of times scriptural analysis. The folks who made a small fortune predicting all sorts of stuff that didn’t happen didn’t help.