Crudely

The doctor crudely diagnosed the patient, without conducting thorough tests.

The detective crudely reconstructed the crime scene, without accounting for all the evidence.

The comedian crudely joked about sensitive topics.

The actor crudely imitated the politician's mannerisms, without capturing their nuances.

The technician crudely repaired the machine, resulting in further damage.

The computer program was crudely coded, resulting in frequent crashes and errors.