Um hire more? In particular, hire more greybeards.
Never going to happen as long as companies are run by MBAs, accountants and so-called 'activist investors'[1]. who wouldn't recognise talent or experience if it walked up and kicked them in the nuts.
[1] back around 1900 these 'gentry' were known as robber barons and corporate raiders - much better names for anybody whose main aim is to syphon off money made by the hard work of other people.