- people worked for "the company" for years if not their entire careers
- there was little to no fear that you'd get laid off after the move
- the company paid your relocation expenses, perhaps also bought your old house so you would not have to deal with selling it.
- your wife (probably) was a homemaker and did not have to worry about finding a new job.
- kids had to go to a new school and make new friends. Tough luck, kids didn't dictate what parents decided to do.