Earlier quoted context omitted.
The Windows style for bars (both title and status) is way too large. Ditto for the task bar. It's no wonder people are tempted to not use status bars, and shove as much as possible at the title. If applications could exploit the task bar, they would too. (Anyway, you don't need an entire bar for system interaction. But applications aren't designed in a way that allows this.)
The older I get, the more I respect bigger user interface elements and text. It's not even failing eyesight either; I'm still in my mid 30s and have great eyesight and dexterity. I've come to respect bigger interface elements because they are quicker to work with. I don't have to peck for a title bar if it's there, big and empty in front of me. I don't have to hunt for a scroll bar that hides itself and reveals a 1px…
If you have large high resolution screens, you won't miss the space, but you can't blame people for optimizing their own applications for the screens most people use.