Seriously, no support for right click for OnPointerClick?

What the heck? Why is there no support for right click on the OnPointerClick? It just ignores all right clicks and only accepts left clicks. Why would you leave out something so simple, and especially considering gamepads could have multiple buttons that you might want to interact with it. For instance, an item I want to right click to do one thing, and left click to do another. Or even, on a gamepad have O do one thing and X do another for the same item.

I can't use Input.GetMouseButton...

Seriously, no support for right click for OnPointerClick?