Hi Rookie,
With a versatile system like the MFT, there is no hard and fast rule on how the table gets set up. I have had it set up in a few different configurations depending on what I am doing. For the video, I wanted the fence away from the camera and the guide rail as far to the edge as I could without changing the factory stop position. This gave me the most space on the table, and I did not need any offcut support for this application.
I had to go back and watch the video myself, but you can tell I am not over the aluminum--but very close to it. As soon as I saw the video again, I recognize the saw kerf I left in the MFT top (because it is still there). It is about 1/16" from the edge of the MFT's MDF top. It's not the common setup, but it worked just fine for what I needed at the time. The downside to that setup is there would be no support for your offcuts.