The GUI Buttons were completely removed because the Energy one was a potential “Self Destruct” Button, and the tank and item output ones were configured with a Monkey Wrench on the respective Auto-Output Side.
The lack of GUI for certain things is to get rid of useless clutter that just slows down the Player, also it makes things way more simple to handle for everyone involved.
The non-configurable directions of In and Output were a Decision that might have been a bad Idea in the long run, but at least it makes the Animations make sense, and gives a challenge for Automating Machines.
And as for how I will make the highest Tier Machines, I dont fully know, we will see.