Condiments, please?

How much money would a restaurant save if it did the following: When you ask for A1 steak sauce, instead of bringing you the regular bottle, they serve you about an ounce in a little thimble. So, instead of dousing your plate with lots of A1 sauce, you have to be conservative and end up without the spicy taste.

Is this worth it to to company to almost alienate the customer? WWSS?