The point of a mind map is to label the line and not the node. This helps the brain form a visual and spacial connection between ideas where the lines act as bridges to the next concept/idea.
Not faulting the creator here, looks like a solid implementation of AI making spider diagrams, good job.
30 years of people misusing mind maps and no one reading the Tony Buzan book have brought us to this point though where no one actually knows what mind maps are or why they are so powerful.