Accumulating more knowledge isn't just about remembering facts and recalling by rote. True learning comes through how new concepts are integrated into our existing system of thinking, and how the structure changes as a result of this (Allow ideas to emerge)
This is a key idea in order for Digital gardens promote knowledge accumulation, as knowledge requires a narrative structure to provide context and to assist with its recall.
In the sense that an Integrated Development Environment does not do the Software Development for the user, an Integrated Thinking Environment facilitates thinking by providing the space and tools necessary, so that Digital gardens promote knowledge accumulation:
Overall, the desired effect is that Digital gardens promote knowledge accumulation
This process is why Digital gardens promote knowledge accumulation.