Maybe but usually its the manufactures and the airlines. Not sure Rolls Royce got very good press from this. Issue is the engines are tested with frozen chickens fired into the inlet. However this is in a test rig and the chicken fired from a canon. Running an engine at full chat in a test rig...
I don't believe pilots make errors all the time, they are trained, re-trained and re-trained all the time. Incidents are always a result of a catalogue of events but not always errors. The CAA produces a magazine each month for licensed aircraft personnel (engineers/pilots etc) called Human...