Oh this is such a thing. The lack of compatibility also makes things less customizable. I used to always add a horizontal brake lever for reaching when I lift up from the drops (which I do when in traffic), but now that every shifter is different and every shifter is integrated into the brake levers it's not really an option.
Somewhat unrelated I also kind of hate how popular aluminum has become (or at least was when I last bought a road bike). Since all the mass produced frames are aluminum, the only options for a steel frame were more exotic models and thus expensive. In retrospect I wish I had just bought a steel hybrid frame and built a bike myself, but I was rather busy at the time, and it probably still would have been more expensive since so many of the parts are non-interchangeable.
Somewhat unrelated I also kind of hate how popular aluminum has become (or at least was when I last bought a road bike). Since all the mass produced frames are aluminum, the only options for a steel frame were more exotic models and thus expensive. In retrospect I wish I had just bought a steel hybrid frame and built a bike myself, but I was rather busy at the time, and it probably still would have been more expensive since so many of the parts are non-interchangeable.