Plus the computer can figure out who is using it, and lock them out as necessary. “Hero Worship” has Data point out to a child that he couldn’t have blown up a starship by leaning on the console, because it can detect that, and not register the controls. And we know that there are ship functions that are keyed behind an authentication code, like the self-destruct system.

But he probably doesn’t need to explain that to Ralph, since it’d not be that relevant. What’d be more important in that moment to get him to stop causing trouble.