Constantly train cancellations, delays and in hot ...

Constantly train cancellations, delays and in hot temperatures, the climate drops. Replacement trains, which probably date back to the last century, and of course WITHOUT the booked seat will come as a replacement. I wonder if the employees in the management positions even master their work. For the fact that the DB sets only employees with a 1.0-1.5 cut, much does not seem to work.