Do they really retire early though? I always hear people in forums saying how they'll save up and not have kids to retire by 40 but never meet anyone that has d

Do they really retire early though? I always hear people in forums saying how they'll save up and not have kids to retire by 40 but never meet anyone that has done that. I really doubt most programmers that don't go into management and didn't win the startup lottery retire much earlier than other careers.