Since ageism is very real in the tech industry, why in this era of 'Diversity, Inclusion, and Equity' don't we hear all kinds of tech companies telling us why t

Since ageism is very real in the tech industry, why in this era of 'Diversity, Inclusion, and Equity' don't we hear all kinds of tech companies telling us why they need to focus on the under-represented greybeard group? I have been to a few tech conferences that have multiple seminars on why we need to hire more women or minority or LGBTQ++ people; but I haven't heard a single one who talked about catering to greybeards.