What does a pencil have to do with it?
Besides, I'd use charcoal or chalk or blood. :p
Maximizing profit = maximizing share price which is the raison d'etre of the majority of large companies.
Customer service is a byproduct designed for that goal, not the goal in and of itself.
Here's your first clue, see if you can answer.
Why are telephone and cable companies consistently ranked lower in service than almost any other? (Hint, it's not just because everyone usses them)