I think this is an absolutely reasonable function for beginners and the hate here is not justified.
Should not be available in the standard ladder though.
Just a wild guess of course, but it looks more like some standard builds (say, from interactive build order mod) adapted to The Art of War style.
Which is a great idea.
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The fact you do it with Mayans, so you can’t choose scout rush is a bit sus, of course.
But on the other hand, we see some decent scouting, but no opponent found, which leads me to the build order mod-style scenarios.
To me it doesnt look like an auto build order.
It looks like an in-game progress tracker of build orders you can reference and follow.
I imagine theres different ones you can select as references in game based on what you want to learn or play.