It might seem that the carelessness or laziness of the medical technicians who administered treatment is primarily to blame in these cases, but other factors have contributed just as much. The complexity of new linear accelerator technology has not been accompanied with appropriate updates in software, training, safety procedures, and staffing. St. Vincent's hospital stated that system crashes similar to those involved in the improper therapy for Mr. Jerome-Parks "are not uncommon with the Varian software, and these issues have been communicated to Varian on numerous occasions.