I wasn’t there, so I don’t know how this went down, but the only reason why I can see this being brought up, is he went
“Don’t you know who I am?!? I’m Alexander Morris of the Four Tops! You better give me priority over these other non -famous shlubs or you’ll be known as the hospital who killed a Four Top!”
As someone who works in customer service, this scenario sounds totally plausible, and would explain why they would schedule a psychological exam.
Before your parents go to great expense to move, have a sit down and talk with them about this. Make sure everyone involved knows what to expect beforehand.
If they move and things aren’t what they expect, it will sour everyone’s relationship much more