As a community (programming, engineering, science - whatever) we should probably be louder that the one thing any man or woman with the raw cash can do to help the scientific community is funding LaTeX-2030. The problem is oh-so-difficult but having a modern statically typed (for reflection mainly) well-designed programming language for typesetting could save huge amounts of time for researchers and the like.
That and the real agenda which is to kill word.
The degrees of separation from the HN readers stereotype of a HN reader to a billionaire can't be that high, right?