Why would you want a giant iPad?

Apple is apparently considering the introduction of iPads with larger screens in a couple of years. But who are these for and is there any point to doing so unless it makes big improvements to the user interface?Who needs a bigger iPad?
There are some groups who might want a larger-screened iPad running the current version of iPadOS. Graphic designers and architects might crave the additional space for design using Apple Pencil; statistical analysis could become a little easier; photo