Did you notice his username? If he really feels like he can't be a "cultural fit" at age 30, something is terribly wrong with this industry and I blame ageism.
Ageism? No. Activists who brand people as heretic for not agreeing with Popular Political Opinion #37
You don't think ageism has anything to do with the fact that a 30 year old developer is considered to not be a cultural fit in a given company just because of age?