Even if it ain't broke, preventive maintenance may still be cost-effective. Market share, unlike body weight, is very difficult to gain and very easy to lose. A conscience, though an invaluable asset, can be a very expensive thing to have. Verbosity is my business. Facts without context are rarely meaningful.
Segmentation is the cornerstone of marketing.
It is better to learn by adaptation than by imitation. Though almost invariably less sweet, reviewers do resemble a box of chocolates in the sense that you never know what you are going to get. No amount of reasoning is going to provide a definitive answer to an empirical question. One should be careful judging too harshly the performance of people whose jobs one would not want to hold. Retail and wholesale prices are rather arbitrary terms.