Its not that they wouldn't care, its just unintentional blindness to issues that plague young people, likely people of an older age can afford housing while younger people can't and thus is confused what the big fuss is. Or its just for older generations, they are more concerned about older problems or politics from previous times in the 1980s like combatting marijuana or like same-sex marriage while young people have issues stemming that are more relevant to 2000s like internet and social media addiction.