It forces all visuals to aggregate by row context instead of filter context

It guarantees bidirectional filtering without any ambiguity or performance impact, although related to schema design, it does not describe the cardinality or relationship direction behavior asked in this item.

A relationship setup that may work for simple visuals but breaks the model semantics expected for this analytical question

It removes the need for keys between tables because Power BI infers joins automatically

It creates predictable filter propagation from descriptive attributes to transactional data for accurate aggregations