I assumed it was mocking the tech industry's infamous tendency to assume that anyone 30+ is past their prime, e.g. https://news.ycombinator.com/item?id=15974603

I assumed it was mocking the tech industry's infamous tendency to assume that anyone 30+ is past their prime, e.g. https://news.ycombinator.com/item?id=15974603 https://news.ycombinator.com/item?id=15974603