OK, a couple of points:

• If there was no genocide, where'd they all go? You're talking about a few million people here, you can't exactly hide them under the sofa
• Are you seriously going to argue that the Nazi regime cannot have murdered millions of undesirables because they missed a few? You do know the story of WWII Germany is not one of unparalleled efficiency, do you not?

OK, a couple of points:

• If there was no genocide, where'd they all go? You're talking about a few million people here, you can't exactly hide them under the sofa
• Are you seriously going to argue that the Nazi regime suddenly managed to find an unparalleled efficiency and effectiveness - something that escaped it in every other arena for the entire duration of WWII - and seamlessly offed every single jew without exception rather than applying this miraculous one-time competence to winning the damned war?