...a thoughtful case for support.
In contrast: What's a thought-less case for support? This default is still too typical: "We're a good cause. We deserve your gift."
No, you don't. Those days are generations behind us; maybe your great-grandmother could get away with that. Although you may have to break that well-researched bad news to your doggedly ignorant boss or board. You have my unfettered sympathies. Please know, you're not alone; the supply of ignorant bosses and boards seems infinite.
[rewrite last paragraph; assume no one wants to continue in a state of ignorance; how-to books are love stories: for aspirers, astronauts, each and every one of you who's headed for the stars; hey, Carol]