I remember, for a while Cypress had in its documentations actually a warning about POs and recommended not to use them. I got curious as to why (because I am a big fan of POs) and dug deeper - I think at some point on a sales slide I found the reason "because POs have internal state". I started then to write my POs without any internal state (which you don't need with Typescripts property getters) and have luckily scaled my app with dozens os POs and hundred of tests. Later they removed that recommendation and seem to accept that people like POs.