Yes those are the undeniable facts regarding this religious organization.
These men took the return of Christ as a commercial commodity and sold that to the public through the literature they published.
The doctrines they used (C T Russell, J Rutherford ) to accomplish this feat wasn't actually their own, they were plagiarized by other turn of the century bible speculators who were selling their own pieces of literature.
The End Times, the Last Days, This Generation were all propagated to make the notion that Armageddon was coming soon in are life time and this actually started by these charlatans back in the late 1800's.
So there you have it easy to understand and clarified even more as time has progressed.
What were false scriptural teachings back in the late 1800's are still today false biblical teachings.
Perhaps these sinning apostates should have adhered to Jesus's teachings of no one knows of the time not even he and the added admonishment by Jesus to his followers as to set a time upon god's sacred time.