I doubt they ripped anything under the capacitor, most likely its just bent a little bit.
Just imagine the situation, they probably struck it slightly with a knife.
Still, best to de-solder it and test it with come capacitance tester.
As well as look under the microscope for any tears where knife came in contact with it.
Again its very cheap component, you can easily replace it.
For transformer, I am not sure what is the function of that tape on the transformer, if it has important role of course it needs replacing.
Also like someone said, it will be about what are you going to use it for.
On the other note, I think its post office job to secure your package, they should be held liable, no ?
Just using common sense.
You do pay them for proper delivery, everything included, after all.