The graphical interface is fine for casual users, or for infrequent actions that require user intervention.
It's also confusing to a casual user.
Mr. Takeshita is like a super light casual user, he doesn't play that many games at all.
The fact that data hogs are charged the same as casual users is completely unfair.
Although these slower transactions may not be noticeable to the casual user, they may still be vulnerable to attacks at the ISP level.