Not to mention are more open to bringing in more recruits than even in Fallout 3. The Enclave under General Jamison have not just dropped the old 'Final Solution' policies of Richardson and Eden but also have Ghoul scientists in their ranks, though that could just be exceptional cases rather than the norm. Fantastic Racism: Subverted this time around.
The defectors who wound up joining the NCR discreetly after Navarro might think themselves as this also.