DB Rail review: 3 hour delay and last train from Dresden cancelled

ADDITIONAL INFORMATION
Ticket booked online via int.bahn.de Order Number [protected]
14:44 service to Berlin was cancelled so had to travel via Frankfurt Leipzig and Dresden for Bad Schandau routing provided by Platform Information Staff at Koln, predicted arrival 22:43
Train to Koln to Frankfurt delayed missed connection for 17:19 to Dresden
Next available 18:15 to Leipzig ICE594 change for Dresden and connection to Bad Schandau predicted arrival 23:43
ICE594 delayed missed connection to Dresden IC2045
Next available 22:38 ICE 1657 to Dresden to connect with 00:12 S1 to Bad Schandau predicted arrival 00:56
Arrived Dresden 23:55 but 00:12 cancelled from Dresden Completed journey by taxi cost 160Euro