In a comment elsewhere @numericcitizen says, “…and respects each platform’s unique visual idiosyncrasies and behaviour…”. 👍🏻

I think that this really nails one of the areas of crumbling usability. So many designers feel that they “can design better” than the UI standards, overlooking the huge benefits of interface consistency. This was a huge problem when the web was getting going. For a while things improved, but now visual design is overpowering useability too often once more.