I assume the addition of "can be made to" is the key phrase you overlooked.

If the onscreen keyboard can be edited through a config file, one might be able to resize keys, create a different keymap, add/remove keys, etc. Basically customize the keyboard *relatively easily* to suit their personal needs.

There was a least one excellent program for Palm that would let you replace "skin" the default palm keyboard with another one. The included keyboard with easily editable and customizable.

I believe daperl is suggesting something like that.