He has been, is, and will continue to be passionate about his views and beliefs despite not "formally" being a political figure anymore. They are front in center in his curriculum - and this is precisely what will motivate people to buy into what he is selling - a biased viewpoint. I mean all one has to do is read the description in your link:
c'mon lessons in "liberty", how "western liberty" has been lost and how to restore it, the basics of American history, the constitution, and free market economics. He is selling hisHere, you and your children can get an education in liberty like no other.
Here, students learn the basics of Western Civilization and Western liberty -- how it was won, how it is being lost, and how it will be restored. (Not can . . . will.)
Students also learn the basics of American history, the United States Constitution, and American geography.
They get two courses on free market economics. They get two courses on government, including a how-to course on reclaiming America, one county at a time. He is selling his political views here - and appealing to those who share them. Pure bias - let the kid develop their own political beliefs, do not force feed them yours.
The mathematics, science and writing is mentioned after all of the above - almost as an afterthought "yeah your kid will get these too", but what is going to sell the curriculum is his political views, and he makes no attempt to hide this, it is front and center there - that is its main selling point.