Can you give an example of how Mr. Gruber covers something "day-to-day" well? Not that examples don't exist, but I have a pretty unhappy relationship with more

Can you give an example of how Mr. Gruber covers something "day-to-day" well? Not that examples don't exist, but I have a pretty unhappy relationship with more touchy-feely metrics. Example: battery life. A good description of how battery life is dealt with in most reviews is "awfully": battery life depends on a crazy number of details that it is really hard to properly capture "day-to-day" usage in a review. A person that rarely uses their phone vs. one that plays games all day vs. one that uses the web browser all the time vs one that uses navigation all the time vs one that snapchats all day are going to see very different battery life performance; unless the phone is atrociously bad (which has happened before, too), it's hard to be able to properly gauge battery life.