Linux laptop battery life issues are a constant, right? This has been a problem across laptop brands, across Linux distros, across many, many kernel versions. I

Linux laptop battery life issues are a constant, right? This has been a problem across laptop brands, across Linux distros, across many, many kernel versions. I just want to temper anyone's false expectations that they can just update from a 1-year-old kernel to one released last week and it'll fix these long-existing issues.