The model for education has predominantly been pay-to-learn. Students, taxpayers, and/or donors bear the cost of education. This is even true of technical skills, for example, Microsoft charges you to get certified on their products.
Because garden notes are densely linked, a garden explorer can enter at any location and follow any trail they link through the content, rather than being dumped into a "most recent" feed.
The world is complicated and most people are not like you. This applies to every person no matter who you are. The overwhelming majority of people are from different places, they do different things each day, they like different foods, they work in different industries, they dream different dreams...
A friend of mine recently felt dizzy and went to a US urgent care facility for blood tests. They were inconclusive and so he was sent to the nearby emergency room, which proceeded to do the same blood tests over again, because they were not able to access the urgent care facility's test results in their computer system. This was just plain wasted... See more