I think that at this point this topic has now been beaten to death. The dead horse has been beaten so much in fact that only a pulp is left. Maybe not even that.
I agree not having a suitable replacement for tessellation before depracating it was a catastrophically stupid approach, but it may have been necessitated by implementing the new software components - and at the end of the day Epic will have either heard the whining and done something to address it, or done nothing by release and people will stay with UE4