The key takeaway from this exercise is that just as with user centric, ER is not a silver bullet that is going to fix all of the ails of streaming for creators, mainly because there is no silver bullet. The fractional economics of streaming need scale to deliver benefits, which means that rightsholders (i.e. those with large scale catalogues) benefit far more than the majority of artists (i.e. those with small scale catalogues).
Source: Equitable remuneration, artist income and unintended consequences