not just that ... plenty of web apps (and maybe desktop native ones too, though I don't notice it as much there) use "smart-delete" - if the cursor has a character after it, the delete key deletes it, but if not, it operates like backspace (which ought to be labelled "delete prev").
Some older Apple keyboards had their backspace button labelled “delete” which to me made it sound like that was the “del” button and not the backspace button.
