I like TooCoolFools point about these people's alters never being offensive to their social groups. Wake up one day with Clint "Bubba" Jones, the vocally Republican "Stand for the Flag Kneel for the Cross" Ford F450 driving swamp fishing "Stop Giving Illegals My Money" professional welder and let him talk on Twitter instead, god dammit.
Or an alter that survived famine and death camps in Mao's Communist China and became a quiet but very anti-Communist, very traditional and culturally conservative mother of four and dutiful wife.
But no it's always peepee sex dragons and robot rapist babies that align perfectly with their views, fetishes, and emotional needs. Gets the almonds jogging.